Adding some trailing whitespace after a comment previously ending with \ to ensure that it isn't lexed as a multiline comment. This silences some -Wcomment warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211950 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/Analysis/LazyCallGraphTest.cpp

@@ -42,15 +42,15 @@ std::unique_ptr<Module> parseAssembly(const char *Assembly) {
 // IR forming a call graph with a diamond of triangle-shaped SCCs:
 //
 //         d1
-//        /  \
+//        /  \ 
 //       d3--d2
-//      /     \
+//      /     \ 
 //     b1     c1
-//   /  \    /  \
+//   /  \    /  \ 
 //  b3--b2  c3--c2
 //       \  /
 //        a1
-//       /  \
+//       /  \ 
 //      a3--a2
 //
 // All call edges go up between SCCs, and clockwise around the SCC.