bugfix #5683

IpoWindow: trying to assign a action-ipo to a Bone failed if Bone had not
yet be included in Action.

source/blender/src/editipo.c

@@ -1662,7 +1662,7 @@ void do_ipo_selectbuttons(void)
 
 /* ********************************* Inserting keys ********************************************* */
 
-/* depending type, it returns ipo, if neded it creates one */
+/* depending type, it returns ipo, if needed it creates one */
 /* returns either action ipo or "real" ipo */
 /* arguments define full context;
    - *from has to be set always, to Object in case of Actions

source/blender/src/header_ipo.c

@@ -111,7 +111,7 @@ void spaceipo_assign_ipo(SpaceIpo *si, Ipo *ipo)
 		bActionChannel *achan;
 		
 		if(ob->action) {
-			achan= get_action_channel(ob->action, si->actname);
+			achan= verify_action_channel(ob->action, si->actname);
 		
 			if(achan) {
 				/* constraint exception */