remove "using namespace" statements from header files

"using namespace" in headers also affects all files that include the
header which is unwanted and unexpected in most cases.

1 files changed, 2 insertions, 0 deletions

diff --git a/dw/style.cc b/dw/style.cc
index b284964f..64827a9e 100644
--- a/dw/style.cc
+++ b/dw/style.cc
@@ -27,6 +27,8 @@
 #include "core.hh"
 #include "../lout/msg.h"
 
+using namespace lout;
+
 namespace dw {
 namespace core {
 namespace style {