move m_curDir to the parser class

Change-Id: Ib3cf15dfbb7af861a3c2fa8e746a0b0baaaa512e
diff --git a/src/parser_context.hpp b/src/parser_context.hpp
index 64b293a..4d6cf99 100644
--- a/src/parser_context.hpp
+++ b/src/parser_context.hpp
@@ -8,7 +8,7 @@
 
 #include "CTree.hpp"
 struct ParserContext {
-    ParserContext(const CTree& tree);
+    ParserContext(const CTree& tree, const std::string curDir);
     const CTree& m_tree;
     std::string m_curPath;
     std::string m_errorMsg;