small build fix and a minor issue highlighted by coverity

svn path=/icecast/trunk/icecast/; revision=13798

src/admin.c

@@ -1005,8 +1005,9 @@ static void command_list_mounts(client_t *client, int response)
     }
     else
     {
+        xmlDocPtr doc;
         avl_tree_rlock (global.source_tree);
-        xmlDocPtr doc = admin_build_sourcelist(NULL);
+        doc = admin_build_sourcelist(NULL);
         avl_tree_unlock (global.source_tree);
 
         admin_send_response(doc, client, response, 

src/format_vorbis.c

@@ -440,13 +440,13 @@ static void vorbis_set_tag (format_plugin_t *plugin, const char *tag, const char
         ogg_info->artist = value;
         change = 1;
     }
-    if (strcmp (tag, "title") == 0)
+    else if (strcmp (tag, "title") == 0)
     {
         free (ogg_info->title);
         ogg_info->title = value;
         change = 1;
     }
-    if (strcmp (tag, "song") == 0)
+    else if (strcmp (tag, "song") == 0)
     {
         free (ogg_info->artist);
         free (ogg_info->title);