graphviz: Fix building with recent mingw-w64

mingw-w64-graphviz/010-no-extern-time.patch

@@ -0,0 +1,12 @@
+--- graphviz-2.40.1/lib/sfio/sfhdr.h.orig	2019-04-17 15:02:42.205870900 +0300
++++ graphviz-2.40.1/lib/sfio/sfhdr.h	2019-04-17 15:02:55.175889000 +0300
+@@ -905,7 +905,9 @@
+     extern void bzero(void *, size_t);
+ #endif
+ 
++#ifndef WIN32
+     extern time_t time(time_t *);
++#endif
+     extern int waitpid(int, int *, int);
+ #ifndef WIN32
+     extern void _exit(int);

mingw-w64-graphviz/PKGBUILD

@@ -49,7 +49,8 @@ source=(${_realname}-${pkgver}::git+https://gitlab.com/graphviz/graphviz.git#tag
         006-missing-libs.patch
         007-dont-export-libtool-symbols.patch
         008-fix-dll-names-in-def.patch
-        009-fix-warnings.patch)
+        009-fix-warnings.patch
+        010-no-extern-time.patch)
 sha256sums=('SKIP'
             'f64a7c0fdfd15aedc8cf31c39c5017df1ac8e21f3ffa6f362e62952a8b990aef'
             '62c4a7c92b6400a836ee5ee8f669d9ca57c457e82b74cd4af2c6537a72a61b5c'
@@ -59,7 +60,8 @@ sha256sums=('SKIP'
             'f90d3e43d3bb3b16a576ed9f4158498b0d6579c08f2f93d664a530d2097bda43'
             '99616247f4dabb22df1b031e2de873706deeaf9d5e868b1b3b9e9a784d61b12d'
             '8500ac206bab3d103983d8c20d09152a15f40b5229c9620a8c68447f9e9e72ed'
-            'b4906b306ed03714a32fa89ca1871f7fe04fc7fe534969b32b48e9687be39da0')
+            'b4906b306ed03714a32fa89ca1871f7fe04fc7fe534969b32b48e9687be39da0'
+            '36aad4169c7680ac22fc6a52cf7dbf6e01afd4525f4863a8fd0785a2d22d825a')
 
 prepare() {
   cd "${srcdir}"/${_realname}-${pkgver}
@@ -72,6 +74,7 @@ prepare() {
   patch -p1 -i ${srcdir}/007-dont-export-libtool-symbols.patch
   patch -p1 -i ${srcdir}/008-fix-dll-names-in-def.patch
   patch -p1 -i ${srcdir}/009-fix-warnings.patch
+  patch -p1 -i ${srcdir}/010-no-extern-time.patch
 
   ./autogen.sh NOCONFIG
 }