Update POCO library.

vendor/POCO/Redis/testsuite/src/RedisTest.cpp

@@ -287,7 +287,7 @@ void RedisTest::testDECR()
 
 	try
 	{
-		Poco::Int64 result = _redis.execute<Poco::Int64>(decr);
+		_redis.execute<Poco::Int64>(decr);
 		fail("This must fail");
 	}
 	catch (RedisException& e)

vendor/POCO/Redis/testsuite/src/WinCEDriver.cpp

@@ -24,7 +24,7 @@ int _tmain(int argc, wchar_t* argv[])
 		std::wcstombs(buffer, argv[i], sizeof(buffer));
 		args.push_back(std::string(buffer));
 	}
-	CppUnit::TestRunner runner;	
+	CppUnit::TestRunner runner;
 	runner.addTest("RedisTestSuite", RedisTestSuite::suite());
 	return runner.run(args) ? 0 : 1;
 }