[Fix/apc] typo in profiling

Summary:
A typo makes it not using normalized keys in profiling deletion,
resulting in incorrect group stats. Does not affect production
correctness.

Test Plan: make fast_tests

Reviewers: mwilliams, myang

Reviewed By: myang

CC: ps, mwilliams, myang

Differential Revision: 353265

src/runtime/base/shared/shared_store_stats.cpp

@@ -426,7 +426,7 @@ void SharedStoreStats::onDelete(StringData *key, SharedVariant *var,
 
   if (RuntimeOption::EnableAPCSizeGroup) {
     StatsMap::const_accessor cacc;
-    if (s_statsMap.find(cacc, (char*)key->data())) {
+    if (s_statsMap.find(cacc, normalizedKey)) {
       SharedValueProfile *group = cacc->second;
       group->removeFromGroup(&svpTemp);
       if (noTTL) {