Merge pull request #14629 from wopeizl/windows/port

fix the build issue on manylinux1

paddle/legacy/cuda/src/hl_cuda_device.cc

@@ -137,10 +137,10 @@ inline pid_t gettid() {
 #define __NR_gettid 224
 #endif
   pid_t tid = syscall(__NR_gettid);
-#endif
 #else   // _WIN32
   pid_t tid = _getpid();
 #endif  // _WIN32
+#endif
   CHECK_NE((int)tid, -1);
   return tid;
 }