Cleanup: strip trailing space from interface files

source/blender/editors/interface/interface_utils.c

@@ -4,7 +4,7 @@
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version. 
+ * of the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -17,7 +17,7 @@
  *
  * The Original Code is Copyright (C) 2009 Blender Foundation.
  * All rights reserved.
- * 
+ *
  * Contributor(s): Blender Foundation
  *
  * ***** END GPL LICENSE BLOCK *****
@@ -71,7 +71,7 @@ uiBut *uiDefAutoButR(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int ind
 
 			if (arraylen && index == -1)
 				return NULL;
-			
+
 			if (icon && name && name[0] == '\0')
 				but = uiDefIconButR_prop(block, UI_BTYPE_ICON_TOGGLE, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else if (icon)
@@ -225,7 +225,7 @@ int UI_icon_from_id(ID *id)
 
 	if (id == NULL)
 		return ICON_NONE;
-	
+
 	idcode = GS(id->name);
 
 	/* exception for objects */