[PATCH] lib/rename.c: rpl_rename - Avoid unused-but-set-variable compiler warning

[Ben Walton]

  * In the non-Win32 variant of rpl_rename, it is possible that
    dst_exists may be set but not used. Mark it with the unused
    attribute to avoid compiler warnings.

Signed-off-by: Ben Walton <bdwal...@gmail.com>
---
 lib/rename.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rename.c b/lib/rename.c
index 55130d8..099066d 100644
--- a/lib/rename.c
+++ b/lib/rename.c
@@ -285,7 +285,7 @@ rpl_rename (char const *src, char const *dst)
   char *dst_temp = (char *) dst;
   bool src_slash;
   bool dst_slash;
-  bool dst_exists;
+  bool dst_exists _GL_UNUSED;
   int ret_val = -1;
   int rename_errno = ENOTDIR;
   struct stat src_st;
-- 
1.9.1