made star really work

git-svn-id: http://svn.berlios.de/svnroot/repos/sipsak/trunk@427 75b5f7c7-cfd4-0310-b54c-e118b2c5249a
(cherry picked from commit 1f05728491d1d9f0d998fad11afeeadc6efc25ef)
(cherry picked from commit aa3490ecd3)

sipsak.c

@@ -395,8 +395,8 @@ int main(int argc, char *argv[])
 				}
 				else if ((strlen(optarg) == 1 && STRNCASECMP(optarg, "*", 1) == 0) ||
 						(strlen(optarg) == 4 && STRNCASECMP(optarg, "star", 4) == 0)) {
-					contact_uri=str_alloc(strlen(optarg)+1);
-					strncpy(contact_uri, optarg, strlen(optarg));
+					contact_uri=str_alloc(2);
+					memcpy(contact_uri, "*", 1);
 				}
 				else {
 					backup=str_alloc(strlen(optarg)+1);