fix a crash in rename_cmd

src/laws.c

@@ -1896,7 +1896,10 @@ int name_cmd(struct unit *u, struct order *ord)
     }
 
     if (s != NULL) {
-        return rename_cmd(u, ord, s, getstrtoken());
+        const char *name = getstrtoken();
+        if (name) {
+            rename_cmd(u, ord, s, name);
+        }
     }
 
     return 0;

src/tests.c

@@ -240,7 +240,7 @@ const message_type *register_msg(const char *type, int n_param, ...) {
 void assert_messages(struct CuTest * tc, struct mlist *msglist, const message_type **types,
     int num_msgs, bool exact_match, ...) {
     va_list args;
-    int found, argc;
+    int found, argc = -1;
     struct message *msg;
     bool match = true;
 

src/util/language.c

@@ -263,6 +263,7 @@ void init_translations(const struct locale *lang, int ut, const char * (*string_
     assert(maxstrings > 0);
     tokens = get_translations(lang, ut);
     for (i = 0; i != maxstrings; ++i) {
+        // TODO: swap the name of s and key
         const char * s = string_cb(i);
         const char * key = s ? locale_string(lang, s, false) : 0;
         key = key ? key : s;