Make src headers idempotent and standalone

[gnu-emacs] / src / sysstdio.h

diff --git a/src/sysstdio.h b/src/sysstdio.h
index c97c4f883fc9ac079c2ab82cdfd979d03efbdeaa..166823049d2689b2b5bf9c25b4ac3c1d97dd4b32 100644 (file)
--- 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 */