[gtk+] x11 glcontext: Always use RGBA texture format, as we use alphas

[Alexander Larsson <alexl src gnome org>]

commit 82753bc72b84dedcb9075c5f9ec404145090f593
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Oct 21 13:51:24 2014 +0200

    x11 glcontext: Always use RGBA texture format, as we use alphas

 gdk/x11/gdkglcontext-x11.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)
---
diff --git a/gdk/x11/gdkglcontext-x11.c b/gdk/x11/gdkglcontext-x11.c
index 3377f69..035aacd 100644
--- a/gdk/x11/gdkglcontext-x11.c
+++ b/gdk/x11/gdkglcontext-x11.c
@@ -316,13 +316,7 @@ glx_pixmap_get (cairo_surface_t *surface)
                            GLX_BIND_TO_TEXTURE_RGBA_EXT,
                            &value);
       if (value == FALSE)
-       {
-         glXGetFBConfigAttrib (display, fbconfigs[i],
-                               GLX_BIND_TO_TEXTURE_RGB_EXT,
-                               &value);
-         if (value == FALSE)
-           continue;
-       }
+        continue;
 
       glXGetFBConfigAttrib (display, fbconfigs[i],
                            GLX_Y_INVERTED_EXT,