[REGEX_FREE]: Use ((void)0) instead of just (0).

1 files changed, 1 insertions, 1 deletions

diff --git a/regex.c b/regex.c
index 5a6d3a157d..5a98c6c21a 100644
--- a/regex.c
+++ b/regex.c
@@ -243,7 +243,7 @@ char *alloca ();
    destination)
 
 /* No need to do anything to free, after alloca.  */
-#define REGEX_FREE(arg) (0)
+#define REGEX_FREE(arg) ((void)0) /* Do nothing!  But inhibit gcc warning.  */
 
 #endif /* not REGEX_MALLOC */