Fix the "Midnight" art on help (F1) page.

================================================================================
--- mc-4.6.1-pre2b/src/help.c
+++ mc-4.6.1-pre2b/src/help.c
@@ -445,7 +445,7 @@
 #ifndef HAVE_SLANG
 			addch (acs_map [c]);
 #else
-			SLsmg_draw_object (h->y + line + 2, h->x + col + 2, c);
+			SLsmg_draw_object (h->y + line + 2, h->x + col + 2, acs_map[c]);
 #endif
 		} else {
 #ifdef UTF8