[gtksourceview] Fix another join-line case

[Paolo Borelli <pborelli src gnome org>]

commit a9f1e33ce8f98581cd80f50660233e24d07c8669
Author: Paolo Borelli <pborelli gnome org>
Date:   Thu Mar 12 20:47:07 2015 +0100

    Fix another join-line case
    
    Last patch fixed on thing and broke another... make sure we insert
    a space between the joined lines unless the second line is empty

 gtksourceview/gtksourcebuffer.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/gtksourceview/gtksourcebuffer.c b/gtksourceview/gtksourcebuffer.c
index d3ce2f4..b5d599b 100644
--- a/gtksourceview/gtksourcebuffer.c
+++ b/gtksourceview/gtksourcebuffer.c
@@ -2593,7 +2593,6 @@ gtk_source_buffer_join_lines (GtkSourceBuffer *buffer,
        {
                GtkTextIter iter;
                gunichar ch;
-               gboolean insert_space = FALSE;
 
                iter = *start;
 
@@ -2602,7 +2601,6 @@ gtk_source_buffer_join_lines (GtkSourceBuffer *buffer,
                        ch = gtk_text_iter_get_char (&iter);
                        if (!g_unichar_isspace (ch))
                        {
-                               insert_space = TRUE;
                                break;
                        }
                } while (gtk_text_iter_forward_char (&iter) &&
@@ -2611,7 +2609,7 @@ gtk_source_buffer_join_lines (GtkSourceBuffer *buffer,
                if (!gtk_text_iter_is_end (&iter))
                {
                        gtk_text_buffer_delete (text_buffer, start, &iter);
-                       if (insert_space)
+                       if (!gtk_text_iter_ends_line (start))
                        {
                                gtk_text_buffer_insert (text_buffer, start, " ", 1);
                        }