X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/48395495d6f6602f666c11d0b38f6600b629ccfc..aa17de9056ccce4f080b910bf5eede3df4a12d5c:/src/sysstdio.h?ds=sidebyside

diff --git a/src/sysstdio.h b/src/sysstdio.h
index c97c4f883f..166823049d 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -17,6 +17,9 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
+#ifndef EMACS_SYSSTDIO_H
+#define EMACS_SYSSTDIO_H
+
 #include <fcntl.h>
 #include <stdio.h>
 
@@ -29,3 +32,5 @@ extern FILE *emacs_fopen (char const *, char const *);
 # define FOPEN_BINARY ""
 # define FOPEN_TEXT ""
 #endif
+
+#endif /* EMACS_SYSSTDIO_H */