1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libalpm/sha1.h b/lib/libalpm/sha1.h
index db16d536..fc0aa230 100644
--- a/lib/libalpm/sha1.h
+++ b/lib/libalpm/sha1.h
@@ -15,6 +15,8 @@
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software Foundation,
    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+#ifndef _ALPM_SHA1_H
+#define _ALPM_SHA1_H
 
 #include <stdio.h>
 #include <limits.h>
@@ -65,4 +67,6 @@ struct sha_ctx
 /* Needed for pacman */
 char *_alpm_SHAFile (char *);
 
+#endif /* _ALPM_SHA1_H */
+
 /* vim: set ts=2 sw=2 noet: */