Fix spec_next/prev not skipping dead players (#1856)

Fix a case where in server demos, spec_next/spec_prev does not correctly skip dead players.

Author: Rainyan

src/game/client/hltvcamera.cpp

@@ -642,6 +642,10 @@ void C_HLTVCamera::SpecNextPlayer( bool bInverse )
 			continue;
 
 		// only follow living players 
+#ifdef NEO
+		if ( pPlayer->IsPlayerDead() )
+			continue;
+#endif
 		if ( pPlayer->IsObserver() )
 			continue;