common,cli,wrappers,retrace,gui: Use #pragma once.
Smaller footprint, and simplifies refactoring.
diff --git a/common/trace_parser.hpp b/common/trace_parser.hpp
index b0e9753..0dfaabe 100644
--- a/common/trace_parser.hpp
+++ b/common/trace_parser.hpp
@@ -23,8 +23,7 @@
*
**************************************************************************/
-#ifndef _TRACE_PARSER_HPP_
-#define _TRACE_PARSER_HPP_
+#pragma once
#include <iostream>
@@ -223,4 +222,3 @@
} /* namespace trace */
-#endif /* _TRACE_PARSER_HPP_ */