rename free_group to free_group_objects since it doesnt free the group its self.

source/blender/blenkernel/BKE_group.h

@@ -37,8 +37,7 @@ struct Object;
 struct bAction;
 struct Scene;
 
-void		free_group_object(struct GroupObject *go);
-void		free_group(struct Group *group);
+void		free_group_objects(struct Group *group);
 void		unlink_group(struct Group *group);
 struct Group *add_group(char *name);
 struct Group *copy_group(struct Group *group);

source/blender/blenkernel/intern/group.c

@@ -57,13 +57,13 @@
 #include <config.h>
 #endif
 
-void free_group_object(GroupObject *go)
+static void free_group_object(GroupObject *go)
 {
 	MEM_freeN(go);
 }
 
 
-void free_group(Group *group)
+void free_group_objects(Group *group)
 {
 	/* don't free group itself */
 	GroupObject *go;
@@ -130,7 +130,7 @@ void unlink_group(Group *group)
 	}
 	
 	/* group stays in library, but no members */
-	free_group(group);
+	free_group_objects(group);
 	group->id.us= 0;
 }
 

source/blender/blenkernel/intern/library.c

@@ -768,7 +768,7 @@ void free_libblock(ListBase *lb, void *idv)
 			sound_free((bSound*)id);
 			break;
 		case ID_GR:
-			free_group((Group *)id);
+			free_group_objects((Group *)id);
 			break;
 		case ID_AR:
 			free_armature((bArmature *)id);

source/blender/makesrna/intern/rna_main_api.c

@@ -188,7 +188,6 @@ Group *rna_Main_groups_new(Main *bmain, char* name)
 }
 void rna_Main_groups_remove(Main *bmain, ReportList *reports, Group *group)
 {
-	free_group(group);
 	unlink_group(group);
 	group->id.us= 0;
 	free_libblock(&bmain->group, group);