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-rw-r--r--support/xcase.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/support/xcase.c b/support/xcase.c
index 6796e06..be50bd1 100644
--- a/support/xcase.c
+++ b/support/xcase.c
@@ -33,7 +33,7 @@
#include <errno.h>
#ifndef errno
-extern int errno;
+#include <errno.h>
#endif
#define LOWER 1