port: cleanup; camspy and slayer respect invert pitch option

note: dual analog mode now only works if you set StickCButtons=0 in pd.ini

src/game/lv.c

@@ -2050,7 +2050,7 @@ void lvTick(void)
 		g_Vars.lvupdate240 = 0;
 
 		for (j = 0; j < PLAYERCOUNT(); j++) {
-			g_Vars.players[j]->joybutinhibit = 0xefffefff;
+			g_Vars.players[j]->joybutinhibit = 0xefffffff;
 		}
 	} else {
 		s32 slowmo = lvGetSlowMotionType();