provide way for developer to verify custom colors and symbols in effect

' #wizcustom

src/cmd.c

@@ -1898,6 +1898,8 @@ struct ext_func_tab extcmdlist[] = {
 #endif
     { '\0',   "wizcast", "cast any spell",
               dowizcast, IFBURIED | WIZMODECMD, NULL },
+    { '\0',   "wizcustom", "show customized glyphs",
+              wiz_custom, IFBURIED | WIZMODECMD | NOFUZZERCMD, NULL },
     { C('e'), "wizdetect", "reveal hidden things within a small radius",
               wiz_detect, IFBURIED | WIZMODECMD, NULL },
 #if (NH_DEVEL_STATUS != NH_STATUS_RELEASED) || defined(DEBUG)