NamespaceDecl: Call non-virtual method inside virtual method, not the other way round.

Moves the virtual call out of a hot path during lookup, no other functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152124 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed