(svn r543) -Fix: [ 1064742 ] Editor Map-Menu wrong String

The fix is a bit ugly, but this is due to limitations in the dropdown menu handling (the strings have to be contiguous)

lang/english.txt

@@ -765,13 +765,13 @@ STR_02DC_DISPLAY_SUBSIDIES				:{BLACK}Display subsidies
 STR_02DD_SUBSIDIES						:Subsidies
 STR_02DE_MAP_OF_WORLD					:Map of world
 STR_EXTRA_VIEW_PORT						:Extra viewport
+STR_02DF_TOWN_DIRECTORY					:Town directory
 STR_EXTRA_VIEW_PORT_TITLE				:{WHITE}Viewport {COMMA16}
 STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN		:{BLACK}Copy to viewport
 STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN_TT		:{BLACK}Copy the location of the global view to this viewport
 STR_EXTRA_VIEW_MOVE_MAIN_TO_VIEW		:{BLACK}Paste from viewport
 STR_EXTRA_VIEW_MOVE_MAIN_TO_VIEW_TT		:{BLACK}Paste the location of this viewport to the global view
 
-STR_02DF_TOWN_DIRECTORY					:Town directory
 STR_02E0_CURRENCY_UNITS					:{BLACK}Currency units
 STR_02E1								:{BLACK}{SKIP}{STRING}
 STR_02E2_CURRENCY_UNITS_SELECTION		:{BLACK}Currency units selection

main_gui.c

@@ -172,7 +172,8 @@ void MenuClickScenMap(int index)
 {
 	switch(index) {
 	case 0: ShowSmallMap(); break;
-	case 1: ShowTownDirectory(); break;
+	case 1: ShowExtraViewPortWindow(); break;
+	case 2: ShowTownDirectory(); break;
 	}
 }
 
@@ -884,7 +885,7 @@ static void ToolbarScenDateForward(Window *w)
 
 static void ToolbarScenMapTownDir(Window *w)
 {
-	PopupMainToolbMenu(w, 0x16A, 8 | (17<<8), STR_02DE_MAP_OF_WORLD, 2);
+	PopupMainToolbMenu(w, 0x16A, 8 | (17<<8), STR_02DE_MAP_OF_WORLD, 3);
 }
 
 static void ToolbarScenZoomIn(Window *w)