Fix off by one error with usage of UUID_STRING_SIZE.
Fix off by one error with usage of UUID_STRING_SIZE.

Change-Id: I820099cf7ec5b3eae4db5a8886a7c3b2c3d692de
Signed-off-by: Todd Malsbary <8856a5d8416dae6d0ae52d024d7a973f628fb21e@intel.com>

iotivity/iotivity-alljoyn-bridge,iotivity/iotivity-alljoyn-bridge,iotivity/iotivity-alljoyn-bridge