freetype: clean XBPS_CROSS_TRIPLET reference in freetype-config

* $XBPS_CROSS_TRIPLET-pkg-config is our wrapper not a real executable
* In a build that have both freetype-config and pkg-config,
  $XBPS_CROSS_BASE will be prepended twice with current system,
  let's fix it.

common/hooks/pre-configure/02-script-wrapper.sh

@@ -175,6 +175,13 @@ install_cross_wrappers() {
 	done
 }
 
+link_wrapper() {
+	local wrapper="$1"
+	[ ! -x "${XBPS_CROSS_BASE}/usr/bin/${wrapper}" ] && return 0
+	[ -L "${XBPS_WRAPPERDIR}/${wrapper}" ] && return 0
+	ln -sf "${XBPS_CROSS_BASE}/usr/bin/${wrapper}" "${XBPS_WRAPPERDIR}"
+}
+
 hook() {
 	export PATH="$XBPS_WRAPPERDIR:$PATH"
 
@@ -186,9 +193,15 @@ hook() {
 	pkgconfig_wrapper
 	vapigen_wrapper
 	valac_wrapper
+
+	if [ -x /usr/bin/pkg-config ]; then
+		link_wrapper freetype-config
+	else
+		generic_wrapper freetype-config
+	fi
+
 	generic_wrapper icu-config
 	generic_wrapper libgcrypt-config
-	generic_wrapper freetype-config
 	generic_wrapper sdl-config
 	generic_wrapper sdl2-config
 	generic_wrapper gpgme-config