move callbacks file out of intern (only contains 1 function but re-using it for new callback api)

source/blender/blenlib/BLI_callbacks.h

@@ -1,10 +1,8 @@
 /*
- * blenlib/BLI_editVert.h    mar 2001 Nzc
+ * $Id:
  *
  * These callbacks are needed in the lib
  *
- * $Id$
- *
  * ***** BEGIN GPL LICENSE BLOCK *****
  *
  * This program is free software; you can redistribute it and/or
@@ -26,7 +24,7 @@
  *
  * The Original Code is: all of this file.
  *
- * Contributor(s): none yet.
+ * Contributor(s): mar 2001 Nzc
  *
  * ***** END GPL LICENSE BLOCK *****
  */

source/blender/blenlib/CMakeLists.txt

@@ -89,6 +89,7 @@ set(SRC
 	BLI_blenlib.h
 	BLI_boxpack2d.h
 	BLI_bpath.h
+	BLI_callbacks.h
 	BLI_cpu.h
 	BLI_dlrbTree.h
 	BLI_dynlib.h
@@ -132,7 +133,6 @@ set(SRC
 	BLI_voxel.h
 	BLI_winstuff.h
 	PIL_time.h
-	intern/BLI_callbacks.h
 	intern/dynamiclist.h
 )