[gtranslator] Update libpeas to 0.7.3

[Ignacio Casal Quinteiro <icq src gnome org>]

commit c60f0495794e995c0d92a5920e5b4d0c0d6ca3d0
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Sun Mar 13 16:43:11 2011 +0100

    Update libpeas to 0.7.3

 configure.ac                         |    4 ++--
 src/dialogs/gtr-preferences-dialog.c |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8675df9..434b1b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,8 +106,8 @@ PKG_CHECK_MODULES(GTRANSLATOR, [
 	gdl-3.0 >= $GDL_REQUIRED
 	gsettings-desktop-schemas
 	libgda-4.0 >= 4.2.0
-	libpeas-1.0 >= 0.7.0
-	libpeas-gtk-1.0 >= 0.7.0
+	libpeas-1.0 >= 0.7.3
+	libpeas-gtk-1.0 >= 0.7.3
 ])
 
 AC_SUBST(GTRANSLATOR_CFLAGS)
diff --git a/src/dialogs/gtr-preferences-dialog.c b/src/dialogs/gtr-preferences-dialog.c
index 986f255..ae71866 100644
--- a/src/dialogs/gtr-preferences-dialog.c
+++ b/src/dialogs/gtr-preferences-dialog.c
@@ -934,7 +934,7 @@ setup_plugin_pages (GtrPreferencesDialog * dlg)
   alignment = gtk_alignment_new (0., 0., 1., 1.);
   gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), 12, 12, 12, 12);
 
-  page_content = peas_gtk_plugin_manager_new ();
+  page_content = peas_gtk_plugin_manager_new (NULL);
   g_return_if_fail (page_content != NULL);
 
   gtk_container_add (GTK_CONTAINER (alignment), page_content);