Last batch of cleanups to Linker.h.

Update comments, fix * placement, fix method names that are not
used in clang, add a linkInModule that takes a Mode and put it
in Linker.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181099 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/Linker.cpp b/lib/Linker/Linker.cpp
index ab99b98..83c7160 100644
--- a/lib/Linker/Linker.cpp
+++ b/lib/Linker/Linker.cpp
@@ -24,3 +24,7 @@
 
 Linker::~Linker() {
 }
+
+bool Linker::linkInModule(Module *Src, unsigned Mode, std::string *ErrorMsg) {
+  return LinkModules(Composite, Src, Linker::DestroySource, ErrorMsg);
+}