fix leak in Windows version of pthread_mutex_free

Free the lock pointer in addition to the critical section. Thanks to
martinkucera74 on github.

1 files changed, 1 insertions, 0 deletions

diff --git a/include/compat/pthread.h b/include/compat/pthread.h
index 223ad83..1ab011c 100755
--- a/include/compat/pthread.h
+++ b/include/compat/pthread.h
@@ -106,6 +106,7 @@ static inline int
 pthread_mutex_destroy(pthread_mutex_t *mutex)
 {
         DeleteCriticalSection(mutex->lock);
+        free(mutex->lock);
         return 0;
 }