libvncserver: backport build fix for cmake v4

mingw-w64-libvncserver/PKGBUILD

@@ -4,7 +4,7 @@ _realname=libvncserver
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=0.9.15
-pkgrel=2
+pkgrel=3
 pkgdesc="Cross-platform C libraries that allow you to easily implement VNC server or client functionality (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -31,8 +31,15 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-libssh2"
              "${MINGW_PACKAGE_PREFIX}-openssl"
              "${MINGW_PACKAGE_PREFIX}-SDL2")
-source=("https://github.com/LibVNC/libvncserver/archive/LibVNCServer-${pkgver}.tar.gz")
-sha256sums=('62352c7795e231dfce044beb96156065a05a05c974e5de9e023d688d8ff675d7')
+source=("https://github.com/LibVNC/libvncserver/archive/LibVNCServer-${pkgver}.tar.gz"
+        "https://github.com/LibVNC/libvncserver/commit/e64fa928170f22a2e21b5bbd6d46c8f8e7dd7a96.patch")
+sha256sums=('62352c7795e231dfce044beb96156065a05a05c974e5de9e023d688d8ff675d7'
+            '064e1643ce3258383c2de96b96a967dded5a2a8e7e0648d68ba66ca89a7d0b74')
+
+prepare() {
+  cd "${_realname}-LibVNCServer-${pkgver}"
+  patch -p1 -i "${srcdir}"/e64fa928170f22a2e21b5bbd6d46c8f8e7dd7a96.patch
+}
 
 build() {
   mkdir -p "${srcdir}"/build-${MSYSTEM} && cd "${srcdir}"/build-${MSYSTEM}