[PATCH] Make it possible to call canonicalize_filename_mode from C++.

[James Youngman]

* lib/canonicalize.h: use extern "C".
---
 lib/canonicalize.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/canonicalize.h b/lib/canonicalize.h
index 2ffa1f681..d21b5b203 100644
--- a/lib/canonicalize.h
+++ b/lib/canonicalize.h
@@ -21,6 +21,10 @@
 
 #define CAN_MODE_MASK (CAN_EXISTING | CAN_ALL_BUT_LAST | CAN_MISSING)
 
+# ifdef __cplusplus
+extern "C" {
+# endif
+
 enum canonicalize_mode_t
   {
     /* All components must exist.  */
@@ -45,4 +49,8 @@ typedef enum canonicalize_mode_t canonicalize_mode_t;
    The result is malloc'd.  */
 char *canonicalize_filename_mode (const char *, canonicalize_mode_t);
 
+# ifdef __cplusplus
+}
+# endif
+
 #endif /* !CANONICALIZE_H_ */
-- 
2.11.0