openimageio: fix armv[56]* build

Signed-off-by: Jürgen Buchmüller <pullmoll@t-online.de>

srcpkgs/openimageio/template

@@ -27,6 +27,8 @@ esac
 
 pre_build() {
 	local f
+	# Replace -isystem with -I to avoid "#include_next <stdlib.h>" file not found
+	sed -i src/cmake/compiler.cmake -e "s;-isystem;-I;g"
 
 	case "$XBPS_TARGET_MACHINE" in
 	armv[56]*|mips*)