src: Use correct envvar separator

Use the G_SEARCHPATH_SEPARATOR_S macro as it assures that we are using the
correct separator between values that are passed in via an envvar.

The ":" separator is valid on *NIX, but not Windows

Author: fanc999-1

src/grilo.c

@@ -129,7 +129,7 @@ post_parse_hook_cb (GOptionContext  *context,
   }
 
   if (plugin_list) {
-    split_list = g_strsplit (plugin_list, ":", 0);
+    split_list = g_strsplit (plugin_list, G_SEARCHPATH_SEPARATOR_S, 0);
     grl_registry_restrict_plugins (registry, split_list);
     g_strfreev (split_list);
   }

src/grl-registry.c

@@ -445,7 +445,7 @@ grl_registry_setup_ranks (GrlRegistry *registry)
   iter = rank_specs;
 
   while (*iter) {
-    gchar **rank_info = g_strsplit (*iter, ":", 2);
+    gchar **rank_info = g_strsplit (*iter, G_SEARCHPATH_SEPARATOR_S, 2);
     if (rank_info[0] && rank_info[1]) {
       gchar *tmp;
       gchar *id = rank_info[0];