Make some numbers in helgrind stats use , separators, as the numbers can be big


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15294 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/helgrind/libhb_core.c b/helgrind/libhb_core.c
index a66d578..bbc1985 100644
--- a/helgrind/libhb_core.c
+++ b/helgrind/libhb_core.c
@@ -6467,10 +6467,10 @@
       if (VG_(clo_verbosity) > 1)
          VG_(HT_print_stats) (oldrefHT, cmp_oldref_tsw);
       VG_(printf)( "   libhb: oldref bind tsw/rcec "
-                   "==/==:%lu ==/!=:%lu !=/!=:%lu\n",
+                   "==/==:%'lu ==/!=:%'lu !=/!=:%'lu\n",
                    stats__ctxt_eq_tsw_eq_rcec, stats__ctxt_eq_tsw_neq_rcec,
                    stats__ctxt_neq_tsw_neq_rcec);
-      VG_(printf)( "   libhb: ctxt__rcdec calls %lu. rcec gc discards %lu\n",
+      VG_(printf)( "   libhb: ctxt__rcdec calls %'lu. rcec gc discards %'lu\n",
                    stats__ctxt_rcdec_calls, stats__ctxt_rcec_gc_discards);
       VG_(printf)( "   libhb: contextTab: %lu slots,"
                    " %lu cur ents(ref'd %lu),"