Fix uninitialized in this function error

With some versions of gcc, n_buckets will be flagged as being uninitialized
before use.  While its technically impossible (since the switch statement,
even without a default, accounts for all possibilities), we'll initialize the
variable to 0 anyway.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@376457 65c4cc65-6c06-0410-ace0-fbb531ad65f3

tests/test_astobj2.c

@@ -424,7 +424,7 @@ static int astobj2_test_1_helper(int tst_num, enum test_container_type type, int
 	struct ao2_iterator *mult_it;
 	struct test_obj *obj;
 	ao2_callback_fn *cmp_fn;
-	int n_buckets;
+	int n_buckets = 0;
 	int increment = 0;
 	int destructor_count = 0;
 	int count;