Removing an unneeded typecast. getScopeRep() already returns a NestedNameSpecifier.

llvm-svn: 198413
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 117c37b..e78c024 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -7708,7 +7708,7 @@
     // but we don't have that level of source info.
     Diag(SS.getRange().getBegin(),
          diag::err_using_decl_nested_name_specifier_is_not_class)
-      << (NestedNameSpecifier*) SS.getScopeRep() << SS.getRange();
+      << SS.getScopeRep() << SS.getRange();
     return true;
   }