Remove using std::XXX from headers
This is a bad practice to have using in headers because it pollutes the
namespace of any user of that header.
diff --git a/parameter/MappingContext.cpp b/parameter/MappingContext.cpp
index 852f89f..b627051 100644
--- a/parameter/MappingContext.cpp
+++ b/parameter/MappingContext.cpp
@@ -32,6 +32,8 @@
#include <string.h>
#include <stdlib.h>
+using std::string;
+
CMappingContext::CMappingContext(uint32_t uiNbItemTypes) : _pstItemArray(new CMappingContext::SItem[uiNbItemTypes]), _uiNbItemTypes(uiNbItemTypes)
{
// Clear items