(svn r17928) -Codechange: ShowErrorMessage() now takes the summary string before the details string.

Gentlemen, swap your string parameters.

src/town_gui.cpp

@@ -1046,7 +1046,7 @@ public:
 				_generating_world = true;
 				UpdateNearestTownForRoadTiles(true);
 				if (!GenerateTowns(this->town_layout)) {
-					ShowErrorMessage(STR_ERROR_NO_SPACE_FOR_TOWN, STR_ERROR_CAN_T_GENERATE_TOWN, 0, 0);
+					ShowErrorMessage(STR_ERROR_CAN_T_GENERATE_TOWN, STR_ERROR_NO_SPACE_FOR_TOWN, 0, 0);
 				}
 				UpdateNearestTownForRoadTiles(false);
 				_generating_world = false;