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-rw-r--r--db2/include/clib_ext.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/db2/include/clib_ext.h b/db2/include/clib_ext.h
index 91e4a13fa5..eb982bf85f 100644
--- a/db2/include/clib_ext.h
+++ b/db2/include/clib_ext.h
@@ -1,4 +1,6 @@
 /* DO NOT EDIT: automatically built by dist/distrib. */
+#ifndef _clib_ext_h_
+#define _clib_ext_h_
 #ifdef __STDC__
 void err __P((int eval, const char *, ...));
 #else
@@ -63,3 +65,4 @@ char *strsep __P((char **, const char *));
 #ifndef HAVE_VSNPRINTF
 int vsnprintf();
 #endif
+#endif /* _clib_ext_h_ */