- Bugfix: Allow "255" as valid in the JOIN-IP Address

o Fixed text problem in the "You must enter a valid ..."

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@4654 3b4a5df2-a311-0410-b5c6-a8a6f20db521

MPJoinScreen.cpp

@@ -298,7 +298,7 @@ bool	ValidateJoinSettings(bool bSkipServerAddress, bool bSkipSyncDir)
 				break;
 			}
 
-			if (oct < 0 || oct > 254) // dont allow broadcast nums
+			if (oct < 0 || oct > 255) // allow 255 
 			{
 				// bad octet, error
 				numOctets=0;