[PATCH] Silence compiler warning by initializing a variable.

["Jeffrey C. Ollie" <jeff@ocjtech.us>]

If Xapian threw an exception on notmuch_query_count_messages the count
variable could be used uninitialized.  Initialize count to solve the
problem.

Signed-off-by: Jeffrey C. Ollie <jeff@ocjtech.us>
---
 lib/query.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/query.cc b/lib/query.cc
index a571a61..9106b92 100644
--- a/lib/query.cc
+++ b/lib/query.cc
@@ -315,7 +315,7 @@ notmuch_query_count_messages (notmuch_query_t *query)
 {
     notmuch_database_t *notmuch = query->notmuch;
     const char *query_string = query->query_string;
-    Xapian::doccount count;
+    Xapian::doccount count = 0;
 
     try {
 	Xapian::Enquire enquire (*notmuch->xapian_db);
-- 
1.6.5.2