Add #include <sys/socket.h> to blaze_util_mingw.cc

--
MOS_MIGRATED_REVID=98924654
diff --git a/src/main/cpp/blaze_util_mingw.cc b/src/main/cpp/blaze_util_mingw.cc
index 9c3ba8a..040a6bd 100644
--- a/src/main/cpp/blaze_util_mingw.cc
+++ b/src/main/cpp/blaze_util_mingw.cc
@@ -15,6 +15,7 @@
 #include <errno.h>
 #include <limits.h>
 #include <string.h>  // strerror
+#include <sys/socket.h>
 #include <sys/statfs.h>
 #include <unistd.h>