Avoid a warning from clang when compiling Data::Dumper.

There are other similar casts to void elsewhere in Dumper.xs

diff --git a/dist/Data-Dumper/Dumper.xs b/dist/Data-Dumper/Dumper.xs
index afb2826..4b7af7c 100644 (file)
--- a/dist/Data-Dumper/Dumper.xs
+++ b/dist/Data-Dumper/Dumper.xs
@@ -651,7 +651,7 @@ DD_dump(pTHX_ SV *val, const char *name, STRLEN namelen, SV *retval, HV *seenhv,
                    (void)hv_iterinit((HV*)ival);
                    while ((entry = hv_iternext((HV*)ival))) {
                        sv = hv_iterkeysv(entry);
-                       SvREFCNT_inc(sv);
+                       (void)SvREFCNT_inc(sv);
                        av_push(keys, sv);
                    }
 # ifdef USE_LOCALE_NUMERIC