Fix issue if linking var to child linked var. Now it always replaced to parent.

This allow do in code like this:

    var1 = param1;
    var2 = var1;
    if (var2)
    {
        // do some work with param1 or var1 or var2
    }

1 files changed, 1 insertions, 1 deletions

diff --git a/src/analysis/analysis.h b/src/analysis/analysis.h
index 4b3ee28..fb4be9b 100644
--- a/src/analysis/analysis.h
+++ b/src/analysis/analysis.h
@@ -53,7 +53,7 @@ namespace Analysis
                         const WalkItem &wi);
 
     void addLinkedVar(WalkItem &wi,
-                      const std::string &parent,
+                      std::string parent,
                       const std::string &var);
 
     void removeNeedCheckNullVar(WalkItem &wi, std::string str);