BIND 10 trac2210, updated. f6f16611034e7b8bb0bd1ce506d6d61ed5228b02 [2210] style fix: use const& for catch

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- Log -----------------------------------------------------------------
commit f6f16611034e7b8bb0bd1ce506d6d61ed5228b02
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Fri Oct 19 09:44:09 2012 -0700

    [2210] style fix: use const& for catch

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Summary of changes:
 src/bin/auth/datasrc_clients_mgr.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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diff --git a/src/bin/auth/datasrc_clients_mgr.h b/src/bin/auth/datasrc_clients_mgr.h
index f2e396c..8fa7d34 100644
--- a/src/bin/auth/datasrc_clients_mgr.h
+++ b/src/bin/auth/datasrc_clients_mgr.h
@@ -237,11 +237,11 @@ private:
                 typename MutexType::Locker locker(*map_mutex_);
                 std::swap(new_clients_map, *clients_map_);
                 // lock is released by leaving scope
-            } catch (isc::data::TypeError type_error) {
+            } catch (const isc::data::TypeError& type_error) {
                 LOG_ERROR(auth_logger,
                     AUTH_DATASRC_CLIENTS_BUILDER_RECONFIGURE_CONFIG_ERROR).
                     arg(type_error.what());
-            } catch (std::exception exc) {
+            } catch (const std::exception& exc) {
                 LOG_ERROR(auth_logger,
                     AUTH_DATASRC_CLIENTS_BUILDER_RECONFIGURE_ERROR).
                     arg(exc.what());