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-rw-r--r--lib/shadowlog_internal.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/shadowlog_internal.h b/lib/shadowlog_internal.h
index 7f25407b..72a0e0c3 100644
--- a/lib/shadowlog_internal.h
+++ b/lib/shadowlog_internal.h
@@ -1,2 +1,7 @@
+#ifndef _SHADOWLOG_INTERNAL_H
+#define _SHADOWLOG_INTERNAL_H
+
extern const char *shadow_progname; /* Program name showed in error messages */
extern FILE *shadow_logfd; /* file descripter to which error messages are printed */
+
+#endif /* _SHADOWLOG_INTERNAL_H */