[gnome-builder/wip/vim] vim: make clear selection only clear if there is currently a selection

[Christian Hergert <chergert src gnome org>]

commit 9e8d4c05f5e35580bbfbf1c25d4d6140ab040eb4
Author: Christian Hergert <christian hergert me>
Date:   Wed Oct 1 14:22:40 2014 -0700

    vim: make clear selection only clear if there is currently a selection

 src/editor/gb-editor-vim.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/editor/gb-editor-vim.c b/src/editor/gb-editor-vim.c
index 9dabcfc..9b840a0 100644
--- a/src/editor/gb-editor-vim.c
+++ b/src/editor/gb-editor-vim.c
@@ -1199,8 +1199,12 @@ gb_editor_vim_clear_selection (GbEditorVim *vim)
 
   buffer = gtk_text_view_get_buffer (vim->priv->text_view);
   insert = gtk_text_buffer_get_insert (buffer);
-  gtk_text_buffer_get_iter_at_mark (buffer, &iter, insert);
-  gtk_text_buffer_select_range (buffer, &iter, &iter);
+
+  if (gtk_text_buffer_get_has_selection (buffer))
+    {
+      gtk_text_buffer_get_iter_at_mark (buffer, &iter, insert);
+      gtk_text_buffer_select_range (buffer, &iter, &iter);
+    }
 
   vim->priv->target_line_offset = gb_editor_vim_get_line_offset (vim);