Multiplayer: Override panel key is now bound only to key "7" instead of 5, 6 and 7

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@2418 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Strategic/mapscreen.cpp

@@ -6136,7 +6136,8 @@ void GetMapKeyboardInput( UINT32 *puiNewEvent )
 				case '5':
 				case '6':
 				case '7':
-					if (is_networked)
+					// WANNE: Only show the override panel when '7' is pressed
+					if (is_networked && InputEvent.usParam == '7')
 					{
 						// haydent
 						manual_overide();