clang format fix

Author: zibaiwan

test/acl_device_op_test.cpp

@@ -447,7 +447,7 @@ TEST(device_op, post_status) {
   acl_device_op_t *op = acl_propose_device_op(&m_doq, ACL_DEVICE_OP_NONE, e);
   assert(op != NULL);
   CHECK_EQUAL(e, op->info.event);
-  
+
   e->execution_status = CL_COMPLETE;
   op->timestamp[CL_QUEUED] = 40;
   op->timestamp[CL_SUBMITTED] = 41;