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Diffstat (limited to 'imap/src/osdep/unix/os_os4.c')
-rw-r--r--imap/src/osdep/unix/os_os4.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/imap/src/osdep/unix/os_os4.c b/imap/src/osdep/unix/os_os4.c
index 42d90404..5fe1e798 100644
--- a/imap/src/osdep/unix/os_os4.c
+++ b/imap/src/osdep/unix/os_os4.c
@@ -38,7 +38,9 @@
#include <netdb.h>
#include <ctype.h>
#include <errno.h>
+#ifndef errno
extern int errno; /* just in case */
+#endif
#include <pwd.h>
#include "misc.h"
#include <sia.h>