[HarfBuzz] harfbuzz: Branch 'master'

[Behdad Esfahbod]

 src/hb-open-type-private.hh |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

New commits:
commit 05d5d3cd63ba2fadfdb62190dd24ef80ee3df40c
Author: Behdad Esfahbod <behdad at behdad.org>
Date:   Mon Feb 25 23:57:51 2013 -0500

    Fix "comparison between signed and unsigned" warnings
    
    Patch from Jonathan Kew.

diff --git a/src/hb-open-type-private.hh b/src/hb-open-type-private.hh
index b337ab7..cec7bd6 100644
--- a/src/hb-open-type-private.hh
+++ b/src/hb-open-type-private.hh
@@ -411,7 +411,7 @@ struct hb_serialize_context_t
   template <typename Type>
   inline Type *allocate_size (unsigned int size)
   {
-    if (unlikely (this->ran_out_of_room || this->end - this->head < size)) {
+    if (unlikely (this->ran_out_of_room || this->end - this->head < ptrdiff_t (size))) {
       this->ran_out_of_room = true;
       return NULL;
     }