[cogl/cogl-1.12] Remove vestiges of libdl / dlfcn.h as cogl uses gmodule.

[Neil Roberts <nroberts src gnome org>]

commit 1c18e00ea2101eea30dde4272e7527c51ec5a885
Author: Patrick Welche <prlw1 cam ac uk>
Date:   Thu Jan 17 12:35:25 2013 +0000

    Remove vestiges of libdl / dlfcn.h as cogl uses gmodule.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=691944
    
    Reviewed-by: Neil Roberts <neil linux intel com>
    
    (cherry picked from commit 397e673446e86a9116cb7396ea094e9f8b46986e)
    
    Conflicts:
    	cogl/Makefile.am

 cogl/Makefile.am              |    3 ---
 cogl/winsys/cogl-winsys-glx.c |    1 -
 2 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/cogl/Makefile.am b/cogl/Makefile.am
index a73d3f8..ec1082e 100644
--- a/cogl/Makefile.am
+++ b/cogl/Makefile.am
@@ -504,9 +504,6 @@ include $(top_srcdir)/build/autotools/Makefile.am.enums
 lib_LTLIBRARIES += libcogl.la
 
 libcogl_la_LIBADD = -lm $(COGL_DEP_LIBS) $(COGL_EXTRA_LDFLAGS)
-if SUPPORT_GLX
-libcogl_la_LIBADD += -ldl
-endif
 # XXX: The aim is to eventually get rid of all private API exports
 # for cogl-pango.
 libcogl_la_LDFLAGS = \
diff --git a/cogl/winsys/cogl-winsys-glx.c b/cogl/winsys/cogl-winsys-glx.c
index b24ebf1..2eddd1a 100644
--- a/cogl/winsys/cogl-winsys-glx.c
+++ b/cogl/winsys/cogl-winsys-glx.c
@@ -56,7 +56,6 @@
 
 #include <glib/gi18n-lib.h>
 
-#include <dlfcn.h>
 #include <GL/glx.h>
 #include <X11/Xlib.h>