# HG changeset patch
# User belugas <belugas@openttd.org>
# Date 2009-01-29 03:07:34
# Node ID 857844cabc20293f790eb4bc00048798df17e855
# Parent  740721e333a9c5c84e9e0f329b1ff0a19967ef4d

(svn r15292) -Fix(r15290): Incrementing something that is already set to the correct value is a bit of a no-no
Also, protect against such misuse with an assert.

diff --git a/src/unmovable_map.h b/src/unmovable_map.h
--- a/src/unmovable_map.h
+++ b/src/unmovable_map.h
@@ -166,8 +166,7 @@ static inline void SetCompanyHQSection(T
 static inline void EnlargeCompanyHQ(TileIndex t, byte size)
 {
 	assert(GetCompanyHQSection(t) == 0);
-
-	size++;
+	assert(size <= 4);
 	if (size <= GetCompanyHQSize(t)) return;
 
 	SetCompanyHQSize(t                   , size);