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Diffstat (limited to 'libio')
-rw-r--r--libio/libio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libio/libio.h b/libio/libio.h
index d21162aab0..9c08c7eba1 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -240,7 +240,7 @@ extern int _IO_ftrylockfile (FILE *) __THROW;
 
 #define _IO_peekc(_fp) _IO_peekc_unlocked (_fp)
 #define _IO_flockfile(_fp) /**/
-#define _IO_funlockfile(_fp) /**/
+#define _IO_funlockfile(_fp) ((void) 0)
 #define _IO_ftrylockfile(_fp) /**/
 #ifndef _IO_cleanup_region_start
 #define _IO_cleanup_region_start(_fct, _fp) /**/