Fixes (by Sevenfm):

- incorrect sized array for secondary item stat regions
- incorrect check for secondary item stat display removed

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@8248 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Standard Gaming Platform/mousesystem.cpp

@@ -1163,6 +1163,8 @@ void MSYS_RemoveRegion(MOUSE_REGION *region)
 //
 void MSYS_EnableRegion(MOUSE_REGION *region)
 {
+	Assert( region );
+
 	region->uiFlags |= MSYS_REGION_ENABLED;
 }