run spellcheck

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5724 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia.c

@@ -1881,7 +1881,7 @@ void sofia_handle_sip_i_invite(nua_t *nua, sofia_profile_t *profile, nua_handle_
 			}
 			displayname = tmp;
 		} else {
-			displayname = switch_strlen_zero(from_user) ? "unkonwn" : from_user;
+			displayname = switch_strlen_zero(from_user) ? "unknown" : from_user;
 		}
 	}