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-rw-r--r--src/hpa_dco.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/hpa_dco.h b/src/hpa_dco.h
index bb3b8215..783e46e6 100644
--- a/src/hpa_dco.h
+++ b/src/hpa_dco.h
@@ -19,6 +19,8 @@
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#ifndef _HPA_DCO_H
+#define _HPA_DCO_H
#ifdef __cplusplus
extern "C" {
#endif
@@ -28,3 +30,4 @@ void disk_get_hpa_dco(const int hd_h, disk_t *disk_car);
#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
+#endif