Rewrite scoped_array<T> to scoped_ptr<T[]> in rlz.

rlz/lib/financial_ping.cc

Index: rlz/lib/financial_ping.cc
diff --git a/rlz/lib/financial_ping.cc b/rlz/lib/financial_ping.cc
index c1313d173c80aae7e8d327dab0db3277a3ea77db..48c446ecb3c8e405d0c37f3a4bbf298bde1047f7 100644
--- a/rlz/lib/financial_ping.cc
+++ b/rlz/lib/financial_ping.cc
@@ -252,7 +252,7 @@ bool FinancialPing::PingServer(const char* request, std::string* response) {
     return false;
 
   // Get the response text.
-  scoped_array<char> buffer(new char[kMaxPingResponseLength]);
+  scoped_ptr<char[]> buffer(new char[kMaxPingResponseLength]);
   if (buffer.get() == NULL)
     return false;