[ci] Don’t build Cairo subproject with FontConfig on win32 cross-build

We don’t need it and it breaks the build because FontConfig renamed its
master branch and the released version of Cairo wants to build
FontConfig from master branch.
diff --git a/.ci/build-win32.sh b/.ci/build-win32.sh
index 65265ec..39ed42c 100755
--- a/.ci/build-win32.sh
+++ b/.ci/build-win32.sh
@@ -1,8 +1,20 @@
 #!/bin/bash
 set -e
 
-meson --cross-file=.ci/win32-cross-file.txt win32build --wrap-mode=forcefallback -Dtests=disabled \
-	-Dglib=enabled -Dfreetype=enabled -Dgdi=enabled -Ddirectwrite=enabled -Dcairo=enabled --buildtype=release $@
+meson 	--cross-file=.ci/win32-cross-file.txt \
+	--wrap-mode=forcefallback \
+	--buildtype=release \
+	-Dtests=disabled \
+	-Dcairo=enabled \
+	-Dcairo:fontconfig=disabled \
+	-Dglib=enabled \
+	-Dfreetype=enabled \
+	-Dgdi=enabled \
+	-Ddirectwrite=enabled \
+	-Dcairo=enabled \
+	win32build \
+	$@
+
 ninja -Cwin32build -j3 # building with all the cores won't work fine with CricleCI for some reason
 
 rm -rf win32build/harfbuzz-win32