[pango/harfbuzz-ng-external] Bump HarfBuzz requirement

[Behdad Esfahbod <behdad src gnome org>]

commit 76ea6e49f5f4184d2fbd0904120d6232c66072a9
Author: Behdad Esfahbod <behdad behdad org>
Date:   Mon May 16 10:08:00 2011 -0400

    Bump HarfBuzz requirement

 configure.in |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/configure.in b/configure.in
index 8850e74..966bf64 100644
--- a/configure.in
+++ b/configure.in
@@ -433,8 +433,9 @@ AM_CONDITIONAL(HAVE_CAIRO_FREETYPE, $have_cairo_freetype)
 AM_CONDITIONAL(HAVE_CAIRO_ATSUI, $have_cairo_atsui)
 
 
-harfbuzz_required=0.3
-PKG_CHECK_MODULES(HARFBUZZ, harfbuzz >= $harfbuzz_required, have_harfbuzz=true, have_harfbuzz=false)
+harfbuzz_required=0.5
+have_harfbuzz=false
+PKG_CHECK_MODULES(HARFBUZZ, harfbuzz >= $harfbuzz_required, have_harfbuzz=true)
 AM_CONDITIONAL(HAVE_HARFBUZZ, $have_harfbuzz)
 
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