(svn r18781) -Codechange: pass the CommandCost to the callback instead of whether it succeeded or not.

-Fix: AIs did update their last cost incorrectly in network games if the cost of the DC_EXEC phase differed from the ~DC_EXEC phase.

src/command.cpp

@@ -635,7 +635,7 @@ bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallbac
 
 	_docommand_recursive = 0;
 
-	if (callback) callback(true, tile, p1, p2);
+	if (callback) callback(res2, tile, p1, p2);
 	ClearStorageChanges(true);
 	return true;
 
@@ -648,7 +648,7 @@ show_error:
 callb_err:
 	_docommand_recursive = 0;
 
-	if (callback) callback(false, tile, p1, p2);
+	if (callback) callback(CMD_ERROR, tile, p1, p2);
 	ClearStorageChanges(false);
 	return false;
 }