Bug 811507 - properly accumulate boolean values for SPDY_NPN_CONNECT; r=mcmanus

netwerk/protocol/http/nsHttpConnection.cpp

@@ -287,7 +287,7 @@ nsHttpConnection::EnsureNPNComplete()
     if (NS_SUCCEEDED(rv))
         StartSpdy(spdyVersion);
 
-    Telemetry::Accumulate(Telemetry::SPDY_NPN_CONNECT, mUsingSpdyVersion);
+    Telemetry::Accumulate(Telemetry::SPDY_NPN_CONNECT, UsingSpdy());
 
 npnComplete:
     LOG(("nsHttpConnection::EnsureNPNComplete setting complete to true"));