[pango] Don't treat U+1680 OGHAM SPACE MARK as whitespace

[Behdad Esfahbod <behdad src gnome org>]

commit 70496056909faa41b368dbbe22cd144eaa07d22b
Author: Behdad Esfahbod <behdad behdad org>
Date:   Fri Mar 11 18:21:15 2016 -0800

    Don't treat U+1680 OGHAM SPACE MARK as whitespace
    
    Unicode says: "U+1680 ogham space mark is unusual in that it is generally
    rendered with a visible horizontal line, rather than being blank."

 pango/pango-context.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pango/pango-context.c b/pango/pango-context.c
index 9d67b8e..0344e33 100644
--- a/pango/pango-context.c
+++ b/pango/pango-context.c
@@ -1400,7 +1400,7 @@ itemize_state_process_run (ItemizeState *state)
       if (G_UNLIKELY (type == G_UNICODE_CONTROL ||
                       type == G_UNICODE_FORMAT ||
                       type == G_UNICODE_SURROGATE ||
-                      type == G_UNICODE_SPACE_SEPARATOR))
+                      (type == G_UNICODE_SPACE_SEPARATOR && wc != 0x1680u /* OGHAM SPACE MARK */)))
         {
          shape_engine = NULL;
          font = NULL;