[glib] Prevent error pileup

[Matthias Clasen <matthiasc src gnome org>]

commit 9040eac4ebfbe14141d6501f44a501bfe5e61b9c
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Oct 16 23:30:30 2010 -0400

    Prevent error pileup

 gio/glib-compile-schemas.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/glib-compile-schemas.c b/gio/glib-compile-schemas.c
index f5e8d1c..7fe907c 100644
--- a/gio/glib-compile-schemas.c
+++ b/gio/glib-compile-schemas.c
@@ -502,8 +502,7 @@ key_state_start_aliases (KeyState  *state,
     g_set_error_literal (error, G_MARKUP_ERROR,
                          G_MARKUP_ERROR_INVALID_CONTENT,
                          "<aliases> already specified for this key");
-
-  if (!state->is_flags && !state->is_enum && !state->has_choices)
+  else if (!state->is_flags && !state->is_enum && !state->has_choices)
     g_set_error_literal (error, G_MARKUP_ERROR,
                          G_MARKUP_ERROR_INVALID_CONTENT,
                          "<aliases> can only be specified for keys with "
@@ -1645,6 +1644,7 @@ parse_gschema_files (gchar    **files,
 
           /* let them know */
           fprintf (stderr, "%s: %s.  ", filename, error->message);
+          g_clear_error (&error);
 
           if (strict)
             {