[gtranslator] Emit message change on tm use

[Daniel Garcia Moreno <danigm src gnome org>]

commit 16c33c56e67439e18922c815258e2e1dd75eb26d
Author: Daniel García Moreno <dani danigm net>
Date:   Sun Feb 3 19:50:05 2019 +0100

    Emit message change on tm use
    
    Fix #49

 src/gtr-window.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/gtr-window.c b/src/gtr-window.c
index c704e7c0..2f1df77d 100644
--- a/src/gtr-window.c
+++ b/src/gtr-window.c
@@ -1268,9 +1268,11 @@ gtr_window_tm_keybind (GtrWindow *window,
   match = (GtrTranslationMemoryMatch *) g_list_nth_data (tm_list, index);
   if (match)
     {
+      gtk_text_buffer_begin_user_action (buffer);
       gtr_msg_set_msgstr (msg, match->match);
       gtk_text_buffer_set_text (buffer, match->match, -1);
       gtr_po_set_state (po, GTR_PO_STATE_MODIFIED);
+      gtk_text_buffer_end_user_action (buffer);
     }
 
   g_list_free_full (tm_list, free_match);