Add omit_buc -option

The option defaults to on, which is the old-style behaviour.
Turning the option off will never omit the "uncursed" -status
from inventory lines. This is pretty much required if users
want to use menucolors based on the BUC state.

src/objnam.c

@@ -778,7 +778,7 @@ register struct obj *obj;
             Strcat(prefix, "cursed ");
         else if (obj->blessed)
             Strcat(prefix, "blessed ");
-        else if ((!known || !objects[obj->otyp].oc_charged
+        else if (!iflags.omit_buc || (!known || !objects[obj->otyp].oc_charged
                   || (obj->oclass == ARMOR_CLASS
                       || obj->oclass == RING_CLASS))
 /* For most items with charges or +/-, if you know how many

src/options.c

@@ -154,6 +154,7 @@ static struct Bool_Opt {
 #endif
     { "nudist", &u.uroleplay.nudist, FALSE, DISP_IN_GAME },
     { "null", &flags.null, TRUE, SET_IN_GAME },
+    { "omit_buc", &iflags.omit_buc, TRUE, SET_IN_GAME },
 #if defined(SYSFLAGS) && defined(MAC)
     { "page_wait", &sysflags.page_wait, TRUE, SET_IN_GAME },
 #else