Add missing #pragma once to File.hpp

diff --git a/src/File.hpp b/src/File.hpp
index d36dbdcb691423e5ef59ff267b8cf2ea875cbc7a..e76be8f214c380372ac3ac3abcc61a344991c36a 100644 (file)
--- a/src/File.hpp
+++ b/src/File.hpp
@@ -16,6 +16,8 @@
 // this program; if not, write to the Free Software Foundation, Inc., 51
 // Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
+#pragma once
+
 #include "NonCopyable.hpp"
 
 #include <cstdio>