- associated .h file change for previous commit (bug #152).

plus added a warning in screen_types.h. Some wierd person
  thinks ENUM is nice? It's dangerous! ;-)

source/blender/makesdna/DNA_screen_types.h

@@ -128,6 +128,8 @@ typedef struct ScrArea {
 #define B_SCROLL 8
 #define HOR_SCROLL 12
 
+/* dunno who thought this below is nice code, but be warned, the values are written in
+   a file, and cannot be switched or altered. enum here is out of focus (ton) */
 enum {
 	SPACE_EMPTY,
 	SPACE_VIEW3D,

source/blender/makesdna/DNA_space_types.h

@@ -197,7 +197,7 @@ typedef struct SpaceImage {
 typedef struct SpaceNla{
 	struct SpaceLink *next, *prev;
 	int spacetype;
-	int lock;
+	short menunr, lock;
 	struct ScrArea *area;
 
 	View2D v2d;