merges r29804 from trunk into ruby_1_9_2.

--
* pack.c (PACK_ITEM_ADJUST): return nil not result array and yield
  values if block is given.  [ruby-core:33193]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/pack.c b/pack.c
index be42c6293e..d659266a41 100644
--- a/pack.c
+++ b/pack.c
@@ -1189,7 +1189,7 @@ hex2num(char c)
 } while (0)
 
 #define PACK_ITEM_ADJUST() do { \
-    if (tmp_len > 0) \
+    if (tmp_len > 0 && !block_p) \
 	rb_ary_store(ary, RARRAY_LEN(ary)+tmp_len-1, Qnil); \
 } while (0)