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-rw-r--r--src/include/gpxe/resolv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/gpxe/resolv.h b/src/include/gpxe/resolv.h
index 772460d9e..7c1ee6e20 100644
--- a/src/include/gpxe/resolv.h
+++ b/src/include/gpxe/resolv.h
@@ -158,7 +158,7 @@ extern void resolv_done ( struct resolv_interface *resolv,
extern void ignore_resolv_done ( struct resolv_interface *resolv,
struct sockaddr *sa, int rc );
extern struct resolv_interface_operations null_resolv_ops;
-struct resolv_interface null_resolv;
+extern struct resolv_interface null_resolv;
extern int resolv ( struct resolv_interface *resolv, const char *name,
struct sockaddr *sa );