InitMonsterGFX cleanup

Source/monster.cpp

@@ -328,34 +328,22 @@ void InitMonsterGFX(int monst)
 		MissileFileFlag |= 2;
 		LoadMissileGFX(MFILE_THINLGHT);
 	}
-	if (mtype == MT_SUCCUBUS) {
-		if (MissileFileFlag & 4)
-			return;
-
+	if (mtype == MT_SUCCUBUS && !(MissileFileFlag & 4)) {
 		MissileFileFlag |= 4;
 		LoadMissileGFX(MFILE_FLARE);
 		LoadMissileGFX(MFILE_FLAREEXP);
 	}
-	if (mtype == MT_SNOWWICH) {
-		if (MissileFileFlag & 0x20)
-			return;
-
+	if (mtype == MT_SNOWWICH && !(MissileFileFlag & 0x20)) {
 		MissileFileFlag |= 0x20;
 		LoadMissileGFX(MFILE_SCUBMISB);
 		LoadMissileGFX(MFILE_SCBSEXPB);
 	}
-	if (mtype == MT_HLSPWN) {
-		if (MissileFileFlag & 0x40)
-			return;
-
+	if (mtype == MT_HLSPWN && !(MissileFileFlag & 0x40)) {
 		MissileFileFlag |= 0x40;
 		LoadMissileGFX(MFILE_SCUBMISD);
 		LoadMissileGFX(MFILE_SCBSEXPD);
 	}
-	if (mtype == MT_SOLBRNR) {
-		if (MissileFileFlag & 0x80)
-			return;
-
+	if (mtype == MT_SOLBRNR && !(MissileFileFlag & 0x80)) {
 		MissileFileFlag |= 0x80;
 		LoadMissileGFX(MFILE_SCUBMISC);
 		LoadMissileGFX(MFILE_SCBSEXPC);