Merge from 1.2 branch.

core/PlayerManager.cpp

@@ -1327,6 +1327,11 @@ void PlayerManager::OnSourceModMaxPlayersChanged( int newvalue )
 
 void PlayerManager::MaxPlayersChanged( int newvalue /*= -1*/ )
 {
+	if (!m_FirstPass)
+	{
+		return;
+	}
+
 	if (newvalue == -1)
 	{
 		newvalue = gpGlobals->maxClients;