[PATCH libiptc] libip6tc.h: Add extern "C" wrapping for C++ linking.

[Chris PeBenito]

Signed-off-by: Chris PeBenito <chpeb...@linux.microsoft.com>
---
 include/libiptc/libip6tc.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/libiptc/libip6tc.h b/include/libiptc/libip6tc.h
index 9aed80a0..eaf34d65 100644
--- a/include/libiptc/libip6tc.h
+++ b/include/libiptc/libip6tc.h
@@ -12,6 +12,10 @@
 #include <linux/netfilter_ipv6/ip6_tables.h>
 #include <libiptc/xtcshared.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define ip6tc_handle xtc_handle
 #define ip6t_chainlabel xt_chainlabel
 
@@ -158,4 +162,8 @@ extern void dump_entries6(struct xtc_handle *const);
 
 extern const struct xtc_ops ip6tc_ops;
 
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
 #endif /* _LIBIP6TC_H */
-- 
2.21.0