[libpeas] Remove a double assign

[Garrett Regier <gregier src gnome org>]

commit 9fefa1f7bbb4d67a412e86f614d4b951a2630a11
Author: Garrett Regier <garrettregier gmail com>
Date:   Sun Jan 18 05:07:01 2015 -0800

    Remove a double assign

 tests/libpeas-gtk/plugin-manager-store.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/libpeas-gtk/plugin-manager-store.c b/tests/libpeas-gtk/plugin-manager-store.c
index 0fea9a7..531ef9d 100644
--- a/tests/libpeas-gtk/plugin-manager-store.c
+++ b/tests/libpeas-gtk/plugin-manager-store.c
@@ -290,7 +290,7 @@ static void
 test_gtk_plugin_manager_store_valid_stock_icon (TestFixture *fixture)
 {
   GtkIconTheme *icon_theme;
-  GType icon_type = icon_type = G_TYPE_INVALID;
+  GType icon_type = G_TYPE_INVALID;
 
   icon_theme = gtk_icon_theme_get_default ();