compat: mark unused parameters in win32/mingw functions

The compat/ directory contains many stub functions, wrappers, and so on
that have to conform to a specific interface, but don't necessarily need
to use all of their parameters. Let's mark them to avoid complaints from
-Wunused-parameter.

This was done mostly via guess-and-check with the Windows build in
GitHub CI. I also confirmed that the win+VS build is similarly happy.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/compat/win32/pthread.c b/compat/win32/pthread.c
index 85f8f7920c..58980a529c 100644
--- a/compat/win32/pthread.c
+++ b/compat/win32/pthread.c
@@ -21,7 +21,7 @@ static unsigned __stdcall win32_start_routine(void *arg)
 	return 0;
 }
 
-int pthread_create(pthread_t *thread, const void *unused,
+int pthread_create(pthread_t *thread, const void *attr UNUSED,
 		   void *(*start_routine)(void *), void *arg)
 {
 	thread->arg = arg;