removed std namespace to build with llvm

diff --git a/pv/signaldata.cpp b/pv/signaldata.cpp
index cf0cb21f935fff9ef84fec41f5308e8c2270f404..1763b41b5c1d3b93e54c09fe809007b72d5ed3a4 100644 (file)
--- a/pv/signaldata.cpp
+++ b/pv/signaldata.cpp
@@ -20,8 +20,6 @@
 
 #include "signaldata.h"
 
-using namespace std;
-
 namespace pv {
 
 SignalData::SignalData(double samplerate) :