igraph: update to 0.10.8

* simplify pkgconfig patch.
* fix compiler error with clang.

mingw-w64-igraph/0001-igraph-0.9.3-igraph.pc.in-add-member-Cflags.private.patch

@@ -1,31 +0,0 @@
-From 8daf63ab883e77b5623b8951538c5d8a37a42930 Mon Sep 17 00:00:00 2001
-From: Jannick <thirdedition@gmx.net>
-Date: Mon, 10 May 2021 00:18:28 +0200
-Subject: [PATCH] igraph.pc.in: add member 'Cflags.private'
-
-Flag 'Cflags.private' is an extension of 'pkgconfig'
-(https://github.com/pkgconf/pkgconf) over 'pkg-config'
-(https://www.freedesktop.org/wiki/Software/pkg-config/).
-'Cflags.private' is additionally emitted when calling
-'pkg-config --static --cflags'.
----
- igraph.pc.in | 6 ++++++
- 1 file changed, 6 insertions(+)
-
-diff --git a/igraph.pc.in b/igraph.pc.in
-index 4c036fbdc..e755833d7 100644
---- a/igraph.pc.in
-+++ b/igraph.pc.in
-@@ -10,3 +10,9 @@ URL: @PROJECT_HOMEPAGE_URL@
- Libs: -L${libdir} -ligraph
- Libs.private: @PKGCONFIG_LIBS_PRIVATE@
- Cflags: -I${includedir}/igraph
-+# Flag 'Cflags.private' is an extension of 'pkgconfig'
-+# (https://github.com/pkgconf/pkgconf) over 'pkg-config'
-+# (https://www.freedesktop.org/wiki/Software/pkg-config/).
-+# 'Cflags.private' is additionally emitted when calling
-+# 'pkg-config --static --cflags'.
-+Cflags.private: -DIGRAPH_STATIC=1
--- 
-2.31.1.windows.1
-

mingw-w64-igraph/0001-igraph-add-cflags-private-pkgconfig.patch

@@ -0,0 +1,7 @@
+--- a/igraph.pc.in
++++ b/igraph.pc.in
+@@ -11,3 +11,4 @@
+ Libs.private: @PKGCONFIG_LIBS_PRIVATE@
+ Requires.private: @PKGCONFIG_REQUIRES_PRIVATE@
+ Cflags: -I${includedir}/igraph
++Cflags.private: -DIGRAPH_STATIC=1

mingw-w64-igraph/0002-igraph-fix-function-pointer-error.patch

@@ -0,0 +1,20 @@
+--- a/src/io/graphml.c
++++ b/src/io/graphml.c
+@@ -344,7 +344,7 @@
+ }
+ 
+ static void igraph_i_graphml_parser_state_set_error_from_xmlerror(
+-    struct igraph_i_graphml_parser_state *state, const xmlErrorPtr error
++    struct igraph_i_graphml_parser_state *state, const xmlError *error
+ ) {
+     const size_t max_error_message_length = 4096;
+ 
+@@ -1530,7 +1530,7 @@
+     va_end(args);
+ }
+ 
+-static void igraph_i_libxml_structured_error_handler(void* ctx, xmlErrorPtr error) {
++static void igraph_i_libxml_structured_error_handler(void* ctx, const xmlError *error) {
+     struct igraph_i_graphml_parser_state* state = (struct igraph_i_graphml_parser_state*) ctx;
+     igraph_i_graphml_parser_state_set_error_from_xmlerror(state, error);
+ }

mingw-w64-igraph/PKGBUILD

@@ -3,17 +3,25 @@
 _realname=igraph
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
-pkgver=0.10.7
+pkgver=0.10.8
 pkgrel=1
 pkgdesc="Library for the analysis of networks (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clangarm64' 'clang32')
-url="https://igraph.org"
+msys2_references=(
+  'archlinux: igraph'
+)
+msys2_repository_url='https://github.com/igraph/igraph/'
+msys2_documentation_url='https://igraph.org/c/#docs'
+msys2_issue_tracker_url='https://github.com/igraph/igraph/issues/'
+url='https://igraph.org/c/'
 license=('spdx:GPL-2.0-or-later')
 source=("https://github.com/igraph/igraph/releases/download/${pkgver}/igraph-${pkgver}.tar.gz"
-        '0001-igraph-0.9.3-igraph.pc.in-add-member-Cflags.private.patch')
-sha256sums=('b9e2a46b70896a379d784ea227f076b59750cc7411463b1d4accbf9e38b361ad'
-            '53e4ae45a640c10467ceaf939c78a3d27b87f1078db7555cf7acafa798a29c27')
+        '0001-igraph-add-cflags-private-pkgconfig.patch'
+        '0002-igraph-fix-function-pointer-error.patch')
+sha256sums=('ac5fa94ae6fd1eace651e4b235e99c056479a5c5d0d641aed30240ac33b19403'
+            '07a1303781723b1e449899492431cb75156ac2b7450b48c8d28bd064b0703d35'
+            'bbdcfab5d077dd53dd9c887c0532d2145dd858621488efa2b85064da1257539f')
 depends=("${MINGW_PACKAGE_PREFIX}-glpk"
          "${MINGW_PACKAGE_PREFIX}-gmp"
          "${MINGW_PACKAGE_PREFIX}-libxml2"
@@ -26,7 +34,8 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
 
 prepare() {
   cd "${srcdir}"/${_realname}-${pkgver}
-  patch -p1 -b -i "${srcdir}/0001-igraph-0.9.3-igraph.pc.in-add-member-Cflags.private.patch"
+  patch -p1 -i "${srcdir}/0001-igraph-add-cflags-private-pkgconfig.patch"
+  patch -p1 -i "${srcdir}/0002-igraph-fix-function-pointer-error.patch"
 }
 
 build() {