scram_utils.c: Pull variable declaration out of 'for' scope
scram_utils.c: Pull variable declaration out of 'for' scope

Change-Id: Ia76e2609437c0e27366d476452beac3c4e3192db
Reviewed-on: http://review.couchbase.org/102522
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>
Tested-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

couchbase/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,kojiromike/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,kojiromike/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase