port-no-doors: a couple code quality improvements

src/game/setup.c

@@ -1590,7 +1590,7 @@ void setupCreateProps(s32 stagenum)
 					// dont skip doors that are locked or are lift doors
 					bool skipdoor = nodoors && g_Vars.normmplayerisrunning && door->keyflags == 0 && door->extra1 == 0;
 					if (!skipdoor && withobjs && (obj->flags2 & diffflag) == 0) {
-						setupCreateDoor((struct doorobj *) obj, index);
+						setupCreateDoor(door, index);
 					}
 					break;
 				}

src/include/constants.h

@@ -2898,7 +2898,7 @@
 #define MPOPTION_AUTORANDOMWEAPON_END   0x01000000
 #define MPOPTION_FRIENDLYFIRE           0x02000000
 #define MPOPTION_NOPLAYERONRADAR        0x04000000
-#define MPOPTION_NODOORS		        0x08000000
+#define MPOPTION_NODOORS                0x08000000
 
 #define MPPAUSEMODE_UNPAUSED 0
 #define MPPAUSEMODE_PAUSED   1