[gimp] plug-ins: enter in the filename field activates email sending.

[Jehan Pagès <jehanp src gnome org>]

commit c0aff6b0f0d239f58d2a242e267ad4eeb0d0e410
Author: Jehan <jehan girinstud io>
Date:   Fri May 27 22:02:39 2016 +0200

    plug-ins: enter in the filename field activates email sending.

 plug-ins/common/mail.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plug-ins/common/mail.c b/plug-ins/common/mail.c
index 4603bec..accca7c 100644
--- a/plug-ins/common/mail.c
+++ b/plug-ins/common/mail.c
@@ -527,6 +527,7 @@ send_dialog (void)
   g_signal_connect (entry, "changed",
                     G_CALLBACK (mail_entry_callback),
                     mail_info.filename);
+  gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
 
 #ifdef SENDMAIL
   /* To entry */