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

[folly.git] / folly / stats / Histogram.h

diff --git a/folly/stats/Histogram.h b/folly/stats/Histogram.h
index beda7c8278ef25cd4ce280d10e0d8d52df7e3732..0b9baba1246f492c0aa281b578a6df8a73a1c433 100644 (file)
--- a/folly/stats/Histogram.h
+++ b/folly/stats/Histogram.h
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef FOLLY_HISTOGRAM_H_
-#define FOLLY_HISTOGRAM_H_
+#pragma once
 
 #include <cstddef>
 #include <limits>
@@ -466,5 +465,3 @@ class Histogram {
 };
 
 } // folly
-
-#endif // FOLLY_HISTOGRAM_H_