Put the pkg-config scripts back to the correct pkg-config syntax

(the pkg-config that comes with the RedHat 7.0 glib-gtkbeta RPM and
 not the one from pkgconfig.sourceforge.net which is old).

gtk+-2.0.pc.in

@@ -4,12 +4,9 @@ libdir=@libdir@
 includedir=@includedir@
 target=@gdktarget@
 
-VERSION="@VERSION@"
-REQUIRES="gdk-2.0"
-CFLAGS="-I${includedir} $CFLAGS"
-LIBS_PATH="-L${libdir} $LIBS_PATH"
-LIBS_LINK_SELF="-lgtk-${target}-1.3 $LIBS_LINK_SELF"
-LIBS_LINK_SYSTEM="$LIBS_LINK_SYSTEM"
-
-#Name: GTK+
-#Description: GIMP Tool Kit
+Name: GTK+
+Description: GIMP Tool Kit
+Version: @VERSION@
+Requires: gdk-2.0
+Libs: -L${libdir} -lgtk-${target}-1.3
+Cflags: -I${includedir}