Correct a couple of values (#389)

Source/effects.cpp

@@ -1167,7 +1167,7 @@ void __cdecl effects_cleanup_sfx()
 	for ( DWORD i = 0; i < NUM_SFX; i++ ) {
 		if ( sgSFX[i].pSnd ) {
 			sound_file_cleanup(sgSFX[i].pSnd);
-			sgSFX[i].pSnd = 0;
+			sgSFX[i].pSnd = NULL;
 		}
 	}
 }

Source/player.cpp

@@ -905,8 +905,8 @@ void __fastcall InitPlayer(int pnum, BOOL FirstTime)
 	plr[pnum]._pInvincible = FALSE;
 
 	if ( pnum == myplr ) {
-		deathdelay = FALSE;
-		deathflag = 0;
+		deathdelay = 0;
+		deathflag = FALSE;
 		ScrollInfo._sxoff = 0;
 		ScrollInfo._syoff = 0;
 		ScrollInfo._sdir = 0;