leptonica: Backport patch fixing the installed .pc file (#25900)

https://github.com/DanBloomberg/leptonica/pull/778

Fixes #25871

mingw-w64-leptonica/PKGBUILD

@@ -4,7 +4,7 @@ _realname=leptonica
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=1.86.0
-pkgrel=2
+pkgrel=3
 pkgdesc="An open source C library for efficient image processing and image analysis operations (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -30,11 +30,13 @@ checkdepends=("${MINGW_PACKAGE_PREFIX}-gnuplot")
 source=("https://github.com/DanBloomberg/leptonica/archive/${pkgver}/${_realname}-${pkgver}.tar.gz"
         "001-Fix-SOVERSION-on-mingw.patch"
         "002-Fix-pkgconfig-file-name.patch"
-        "003-Fix-cmake-include-directories.patch")
+        "003-Fix-cmake-include-directories.patch"
+        "https://github.com/DanBloomberg/leptonica/pull/778.patch")
 sha256sums=('b4447faf61a8786a9b211d58d4103d85d47fd3a5dd418d5a6bc525d41db54ccc'
             '0bba2b4773083b09266b94e759801b07e787ef8bdc3458881202f06c23f03e8b'
             '6a9bde25199eba47e12d0013591fb4d376df386b1dccd252a8b64374e742f889'
-            'd278ea2957025c9cc9bccbdbf1c757e1ce2f29d14287b0dfbcac02ebebc48f88')
+            'd278ea2957025c9cc9bccbdbf1c757e1ce2f29d14287b0dfbcac02ebebc48f88'
+            'f411e8f7a7bb7d4996c7e1e7e0f7ca49aae189e1269efd17b466fe9c069e020d')
 
 apply_patch_with_msg() {
   for _patch in "$@"
@@ -49,7 +51,8 @@ prepare() {
   apply_patch_with_msg \
     001-Fix-SOVERSION-on-mingw.patch \
     002-Fix-pkgconfig-file-name.patch \
-    003-Fix-cmake-include-directories.patch
+    003-Fix-cmake-include-directories.patch \
+    778.patch
 }
 
 build() {