Mutex.cc: fix implicitly-defined namespace 'std'

Fix warning from clang(++):

common/Mutex.cc:14:17: warning: using directive refers to
  implicitly-defined namespace 'std'
using namespace std;
                ^

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/common/Mutex.cc b/src/common/Mutex.cc
index 235086470a70da9e6dffced371b46776fa087c5c..f1e9a550c81b9c5834e40e443102d2070b2f01a0 100644 (file)
--- a/src/common/Mutex.cc
+++ b/src/common/Mutex.cc
@@ -11,7 +11,6 @@
  * Foundation.  See file COPYING.
  *
  */
-using namespace std;
 #include <string>
 
 #include "common/Mutex.h"