gdk-pixbuf-csource-native: Fix multiple providers warning

Override PACKAGES_DYNAMIC in gdk-pixbuf-csource-native_2.12.7.bb since
it requires gtk+_${PV}.bb where PACKAGES_DYNAMIC has already been
defined

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>

meta/packages/gtk+/gdk-pixbuf-csource-native_2.12.7.bb

@@ -20,6 +20,8 @@ EXTRA_OECONF = "\
   --x-libraries=${STAGING_LIBDIR} \
 "
 
+PACKAGES_DYNAMIC = ""
+
 do_compile() {
 	cd gdk-pixbuf && oe_runmake
 }