Tweak a FIXME.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86420 91177308-0d34-0410-b5e6-96231b3b80d8

test/lit.cfg

@@ -66,8 +66,9 @@ if config.test_exec_root is None:
     #
     # FIXME: I debated (i.e., wrote and threw away) adding logic to
     # automagically generate the lit.site.cfg if we are in some kind of fresh
-    # build situation. This means knowing how to invoke the build system
-    # though, and I decided it was too much magic.
+    # build situation. This means knowing how to invoke the build system though,
+    # and I decided it was too much magic. We should solve this by just having
+    # the .cfg files generated during the configuration step.
 
     llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
     if not llvm_config: