Folly may throw WSACONNRESET

As seen on CV we may end up with WSACONNRESET (and not
std::errc::connection_reset) from folly (without NETWORK_ERROR
category).

Change-Id: Iae410e1d4ef6dda796d79001e718eb1d10169591
Reviewed-on: http://review.couchbase.org/c/kv_engine/+/160404
Tested-by: Build Bot <build@couchbase.com>
Reviewed-by: Richard de Mellow <richard.demellow@couchbase.com>

protocol/connection/client_connection.cc

@@ -68,7 +68,7 @@ static void handleFollyAsyncSocketException(
 #ifdef WIN32
     // To make it easier to write code on top of this treat
     // the windows specific WSAECONNABORTED as reset
-    if (ex.getErrno() == WSAECONNABORTED) {
+    if (ex.getErrno() == WSAECONNABORTED || ex.getErrno() == WSAECONNRESET) {
         throw std::system_error(
                 std::make_error_code(std::errc::connection_reset), ex.what());
     }