more expanded-glyphs follow-up

relocate reset_glyphmap() call to more appropriate location
valley and mines unaligned altars are included in the level-specfic
colorization

include/display.h

@@ -896,7 +896,7 @@ enum zap_colors {
 
 enum altar_colors {
     altar_color_unaligned = CLR_RED,
-#if 0
+#if defined(USE_GENERAL_ALTAR_COLORS)
         /* On OSX with TERM=xterm-color256 these render as
          *  white -> tty: gray, curses: ok
          *  gray  -> both tty and curses: black

src/display.c

@@ -2334,7 +2334,10 @@ reset_glyphmap(enum glyphmap_change_triggers trigger)
 
         if (Is_rogue_level(&u.uz)) {
             g.glyphmap_perlevel_flags |= GMAP_ROGUELEVEL;
-        } else if ((Is_astralevel(&u.uz) || Is_sanctum(&u.uz))) {
+        } else if (Is_astralevel(&u.uz)
+                   || Is_sanctum(&u.uz)
+                   || In_mines(&u.uz)
+                   || Is_valley(&u.uz)) {
             g.glyphmap_perlevel_flags |= GMAP_ALTARCOLOR;
         }
     }

src/do.c

@@ -1455,7 +1455,6 @@ goto_level(
 
     if (Is_rogue_level(newlevel) || Is_rogue_level(&u.uz))
         assign_graphics(Is_rogue_level(newlevel) ? ROGUESET : PRIMARY);
-    reset_glyphmap(gm_levelchange);
     check_gold_symbol();
     /* record this level transition as a potential seen branch unless using
      * some non-standard means of transportation (level teleport).
@@ -1637,7 +1636,8 @@ goto_level(
     /* Reset the screen. */
     vision_reset(); /* reset the blockages */
     g.glyphmap_perlevel_flags = 0L; /* force per-level map_glyphinfo() changes */
-    docrt();        /* does a full vision recalc */
+    reset_glyphmap(gm_levelchange);
+    docrt(); /* does a full vision recalc */
     flush_screen(-1);
 
     /*