Add parser support for YANG actions

Change-Id: I9e96ae15cee3f990dfa5ec3fac433faf71348e11
diff --git a/src/ast_path.cpp b/src/ast_path.cpp
index e8bfbcf..b9f7ae4 100644
--- a/src/ast_path.cpp
+++ b/src/ast_path.cpp
@@ -115,6 +115,11 @@
     return this->m_name == other.m_name;
 }
 
+bool actionNode_::operator==(const actionNode_& other) const
+{
+    return this->m_name == other.m_name;
+}
+
 list_::list_(const std::string& listName)
     : m_name(listName)
 {