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-rw-r--r--gcc/gthr-gnat.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/gthr-gnat.h b/gcc/gthr-gnat.h
index 0f49227f913..727814197c0 100644
--- a/gcc/gthr-gnat.h
+++ b/gcc/gthr-gnat.h
@@ -34,7 +34,7 @@ typedef int __gthread_mutex_t;
#define __GTHREAD_MUTEX_INIT 0
-extern void __gnat_install_locks (void (*lock) (), void (*unlock) ());
+extern void __gnat_install_locks (void (*lock) (void), void (*unlock) (void));
extern int __gthread_active_p (void);
extern int __gthread_mutex_lock (__gthread_mutex_t *);
extern int __gthread_mutex_unlock (__gthread_mutex_t *);