util.c: removed extra #endif [Bug #15091]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

util.c

@@ -242,7 +242,6 @@ ruby_qsort(void* base, const size_t nel, const size_t size, cmpfunc_t *cmp, void
     qsort_s(base, nel, size, cmp, d);
 }
 # define HAVE_GNU_QSORT_R 1
-# endif
 #elif !defined HAVE_GNU_QSORT_R
 /* mm.c */