remove register from variable declarations

src/do.c

@@ -1368,7 +1368,7 @@ save_currentstate(void)
 
 /*
 static boolean
-badspot(register coordxy x, register coordxy y)
+badspot(coordxy x, coordxy y)
 {
     return (boolean) ((levl[x][y].typ != ROOM
                        && levl[x][y].typ != AIR
@@ -1693,7 +1693,7 @@ goto_level(
 
     if (portal && !In_endgame(&u.uz)) {
         /* find the portal on the new level */
-        register struct trap *ttrap;
+        struct trap *ttrap;
 
         for (ttrap = gf.ftrap; ttrap; ttrap = ttrap->ntrap)
             if (ttrap->ttyp == MAGIC_PORTAL)