CentOS Build Failed
```
[root@localhost build]# uname -a
Linux localhost.localdomain 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
```

```
[root@localhost build]# make
Scanning dependencies of target xmrig-proxy
[  1%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/App.cpp.o
[  3%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/Console.cpp.o
[  5%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/core/Config.cpp.o
[  7%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/core/ConfigLoader.cpp.o
[  9%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/core/ConfigWatcher.cpp.o
[ 11%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/core/Controller.cpp.o
[ 13%] Building C object CMakeFiles/xmrig-proxy.dir/src/crypto/c_keccak.c.o
[ 15%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/log/AccessLog.cpp.o
[ 17%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/log/ConsoleLog.cpp.o
[ 19%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/log/FileLog.cpp.o
[ 21%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/log/Log.cpp.o
[ 23%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/log/ShareLog.cpp.o
[ 25%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/Client.cpp.o
[ 26%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/Job.cpp.o
[ 28%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/strategies/DonateStrategy.cpp.o
[ 30%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/strategies/FailoverStrategy.cpp.o
[ 32%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/strategies/SinglePoolStrategy.cpp.o
[ 34%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/SubmitResult.cpp.o
[ 36%] Building CXX object CMakeFiles/xmrig-proxy.dir/src/net/Url.cpp.o
/root/xmrig-proxy/src/net/Url.cpp: In constructor ‘Url::Url()’:
/root/xmrig-proxy/src/net/Url.cpp:48:24: error: incompatible types in assignment of ‘const char [1]’ to ‘char [5]’
     m_port(kDefaultPort)
                        ^
/root/xmrig-proxy/src/net/Url.cpp: In constructor ‘Url::Url(const char*)’:
/root/xmrig-proxy/src/net/Url.cpp:71:24: error: incompatible types in assignment of ‘const char [1]’ to ‘char [5]’
     m_port(kDefaultPort)
                        ^
/root/xmrig-proxy/src/net/Url.cpp: In constructor ‘Url::Url(const char*, uint16_t, const char*, const char*)’:
/root/xmrig-proxy/src/net/Url.cpp:83:16: error: incompatible types in assignment of ‘const char [1]’ to ‘char [5]’
     m_port(port)
                ^
make[2]: *** [CMakeFiles/xmrig-proxy.dir/src/net/Url.cpp.o] Error 1
make[1]: *** [CMakeFiles/xmrig-proxy.dir/all] Error 2
make: *** [all] Error 2

```