xargs: avoid unused variable

This was forgotten in 124bbf029 (xargs: read characters directly from
console so -p flag works, 2014-09-10).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Ron Yorston <rmy@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/findutils/xargs.c b/findutils/xargs.c
index 97afef039..4765085dc 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -405,7 +405,9 @@ static char* FAST_FUNC process_stdin_with_replace(int n_max_chars, int n_max_arg
  */
 static int xargs_ask_confirmation(void)
 {
+#if !ENABLE_PLATFORM_MINGW32
         FILE *tty_stream;
+#endif
         int c, savec;
 
 #if !ENABLE_PLATFORM_MINGW32