Revert "Switch from GtkGLExt to internal OpenGL handling"

[grits] / src / plugins / env.c

diff --git a/src/plugins/env.c b/src/plugins/env.c
index cdafb5c2d249223daabc5525a251ad9fcf2ef94e..c69de38e12fd14f7601b15bccbd9d67fa99eef31 100644 (file)
--- a/src/plugins/env.c
+++ b/src/plugins/env.c
@@ -25,6 +25,7 @@
  */
 
 #include <math.h>
+#include <gtk/gtkgl.h>
 #include <GL/gl.h>
 
 #include <grits.h>