Fix -Wuninitialized build by referencing the relevant ctor parameter instead of the base class member variable.

llvm-svn: 228554
diff --git a/llvm/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp b/llvm/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp
index 7a63051..b94374a 100644
--- a/llvm/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp
+++ b/llvm/lib/DebugInfo/PDB/PDBSymbolPublicSymbol.cpp
@@ -16,6 +16,6 @@
 
 PDBSymbolPublicSymbol::PDBSymbolPublicSymbol(
     const IPDBSession &PDBSession, std::unique_ptr<IPDBRawSymbol> Symbol)
-    : PDBSymbol(Session, std::move(Symbol)) {}
+    : PDBSymbol(PDBSession, std::move(Symbol)) {}
 
 void PDBSymbolPublicSymbol::dump(llvm::raw_ostream &OS) const {}