Better message for ENOTENT.

misc/ipcdefs.h

@@ -10,7 +10,7 @@ ERRDEF(EBADTENT,        "bad torrent entry")
 ERRDEF(EBADTRACKER,     "bad tracker")
 ERRDEF(ECREATECDIR,     "couldn't create content directory")
 ERRDEF(ENOKEY,          "no such key")
-ERRDEF(ENOTENT,         "no such torrent")
+ERRDEF(ENOTENT,         "no such torrent entry")
 ERRDEF(ESHUTDOWN,       "btpd is shutting down")
 ERRDEF(ETACTIVE,        "torrent is active")
 ERRDEF(ETENTEXIST,      "torrent entry exists")