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-rw-r--r--src/include/k5-err.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/k5-err.h b/src/include/k5-err.h
index 5ba5816a71..29f41f12bc 100644
--- a/src/include/k5-err.h
+++ b/src/include/k5-err.h
@@ -27,7 +27,12 @@
* Error-message handling
*/
+#ifndef K5_ERR_H
+#define K5_ERR_H
+
+#ifndef _
#define _(X) (X)
+#endif
#if defined(_MSDOS) || defined(_WIN32)
#include <win-mac.h>
@@ -60,3 +65,5 @@ void
krb5int_clear_error (struct errinfo *ep);
void
krb5int_set_error_info_callout_fn (const char *(KRB5_CALLCONV *f)(long));
+
+#endif /* K5_ERR_H */