folly: replace old-style header guards with "pragma once"

[folly.git] / folly / portability / SysUio.h

diff --git a/folly/portability/SysUio.h b/folly/portability/SysUio.h
index e0ab7f37d7c53f37399a4d83ea5b996637bb7fa6..9640f6803410b81a11f9529ca30092dad5177b4b 100644 (file)
--- a/folly/portability/SysUio.h
+++ b/folly/portability/SysUio.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef FOLLY_SYSUIO_H_
-#define FOLLY_SYSUIO_H_
+#pragma once
 
 #include <sys/uio.h>
 
@@ -27,5 +26,3 @@ constexpr size_t kIovMax = IOV_MAX;
 constexpr size_t kIovMax = UIO_MAXIOV;
 #endif
 }
-
-#endif