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-rw-r--r--builtins/evalstring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtins/evalstring.c b/builtins/evalstring.c
index 21937ba..91b22fe 100644
--- a/builtins/evalstring.c
+++ b/builtins/evalstring.c
@@ -55,7 +55,7 @@
#include "builtext.h"
#if !defined (errno)
-extern int errno;
+#include <errno.h>
#endif
#define IS_BUILTIN(s) (builtin_address_internal(s, 0) != (struct builtin *)NULL)