now the FileManager has a FileSystemOpts ivar, stop threading
FileSystemOpts through a ton of apis, simplifying a lot of code.
This also fixes a latent bug in ASTUnit where it would invoke
methods on FileManager without creating one in some code paths
in cindextext.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120010 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index 2e9d05f..f70bc72 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -133,7 +133,7 @@
   if (!CI.hasFileManager())
     CI.createFileManager();
   if (!CI.hasSourceManager())
-    CI.createSourceManager(CI.getFileManager(), CI.getFileSystemOpts());
+    CI.createSourceManager(CI.getFileManager());
 
   // IR files bypass the rest of initialization.
   if (InputKind == IK_LLVM_IR) {