Revert "Switch from GtkGLExt to internal OpenGL handling"

[grits] / src / plugins / elev.c

diff --git a/src/plugins/elev.c b/src/plugins/elev.c
index 383c509097c2cff2a9157ec7a80664bb0ae306fd..2420a3e3ff6502cf4af62aaf08f14dc4620d8357 100644 (file)
--- a/src/plugins/elev.c
+++ b/src/plugins/elev.c
@@ -25,6 +25,7 @@
  * greyscale elevation overlay on the planets surface.
  */
 
+#include <gtk/gtkgl.h>
 #include <glib/gstdio.h>
 #include <GL/gl.h>