Add a namespace qualifier to the befriending statement for RecusiveASTVisitor. With Clang and modern GCCs this was found through the injected class name of the base class but older GCCs don't properly implement the injected class name rules.
Add a namespace qualifier to the befriending statement for
RecusiveASTVisitor. With Clang and modern GCCs this was found through
the injected class name of the base class but older GCCs don't properly
implement the injected class name rules.

git-svn-id: a34e9779ed74578ad5922b3306b3d80a0c825546@171593 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra