[pango] Fix tailoring of run boundary break properties

[Behdad Esfahbod <behdad src gnome org>]

commit e2b89006dd2aae60805712a24534586ccdcc8d06
Author: Behdad Esfahbod <behdad behdad org>
Date:   Mon Apr 6 12:17:16 2015 -0700

    Fix tailoring of run boundary break properties
    
    I have no idea how this was never caught before.

 pango/break.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/pango/break.c b/pango/break.c
index 64b6d37..5d28e41 100644
--- a/pango/break.c
+++ b/pango/break.c
@@ -1798,7 +1798,8 @@ tailor_segment (const char      *range_start,
                PangoLogAttr    *log_attrs)
 {
   int chars_in_range;
-  PangoLogAttr attr_before = log_attrs[0];
+  PangoLogAttr *start = log_attrs + chars_broken;
+  PangoLogAttr attr_before = *start;
 
   chars_in_range = pango_utf8_strlen (range_start, range_end - range_start);
 
@@ -1806,18 +1807,18 @@ tailor_segment (const char      *range_start,
   if (tailor_break (range_start,
                    range_end - range_start,
                    analysis,
-                   log_attrs + chars_broken,
+                   start,
                    chars_in_range + 1))
     {
       /* if tailored, we enforce some of the attrs from before tailoring at
        * the boundary
        */
 
-     log_attrs[0].backspace_deletes_character  = attr_before.backspace_deletes_character;
+     start->backspace_deletes_character  = attr_before.backspace_deletes_character;
 
-     log_attrs[0].is_line_break      |= attr_before.is_line_break;
-     log_attrs[0].is_mandatory_break |= attr_before.is_mandatory_break;
-     log_attrs[0].is_cursor_position |= attr_before.is_cursor_position;
+     start->is_line_break      |= attr_before.is_line_break;
+     start->is_mandatory_break |= attr_before.is_mandatory_break;
+     start->is_cursor_position |= attr_before.is_cursor_position;
     }
 
   return chars_in_range;