[llvm-pdbdump] Fix a few compilation failures.

llvm-svn: 230186
diff --git a/llvm/tools/llvm-pdbdump/FunctionDumper.cpp b/llvm/tools/llvm-pdbdump/FunctionDumper.cpp
index 851fa1f..e392c5d 100644
--- a/llvm/tools/llvm-pdbdump/FunctionDumper.cpp
+++ b/llvm/tools/llvm-pdbdump/FunctionDumper.cpp
@@ -20,6 +20,8 @@
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
 
+using namespace llvm;
+
 namespace {
 template <class T>
 void dumpClassParentWithScopeOperator(const T &Symbol, llvm::raw_ostream &OS,
@@ -35,8 +37,6 @@
 }
 }
 
-using namespace llvm;
-
 FunctionDumper::FunctionDumper() : PDBSymDumper(true) {}
 
 void FunctionDumper::start(const PDBSymbolTypeFunctionSig &Symbol,