Pacify valgrind by initializing buffer redisplay bit.

Problem reported by Dmitry Antipov in
<http://lists.gnu.org/archive/html/emacs-devel/2014-01/msg01756.html>.
* alloc.c (USE_VALGRIND): Move this to ...
* conf_post.h (USE_VALGRIND): ... here.  Use booleans.
* buffer.c (Fget_buffer_create): Initialize redisplay bit
to pacify valgrind.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/buffer.c b/src/buffer.c
index c48610d6578..87405174ad2 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -573,7 +573,9 @@ even if it is dead.  The return value is never nil.  */)
   BUF_END_UNCHANGED (b) = 0;
   BUF_BEG_UNCHANGED (b) = 0;
   *(BUF_GPT_ADDR (b)) = *(BUF_Z_ADDR (b)) = 0; /* Put an anchor '\0'.  */
-  b->text->inhibit_shrinking = 0;
+  b->text->inhibit_shrinking = false;
+  if (USE_VALGRIND)
+    b->text->redisplay = false;
 
   b->newline_cache = 0;
   b->width_run_cache = 0;