wayland-egl.pc requires wayland-client.pc.

Mesa provides the wayland-egl libs and the pkgconfig file, but the headers
originate from the wayland package. Ensure everything matches, by requiring
application builds to look at the wayland headers as well.

Signed-off-by: Torsten Duwe <duwe@suse.de>
Signed-off-by: Johannes Obermayr <johannesobermayr@gmx.de>

src/egl/wayland/wayland-egl/wayland-egl.pc.in

@@ -6,5 +6,6 @@ includedir=@includedir@
 Name: wayland-egl
 Description: Mesa wayland-egl library
 Version: @VERSION@
+Requires: wayland-client
 Libs: -L${libdir} -lwayland-egl
 Cflags: -I${includedir}