Add a Program argument to diffProgram to avoid a use of swapProgramIn.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/FindBugs.cpp b/tools/bugpoint/FindBugs.cpp
index 224c717..4fd597e 100644
--- a/tools/bugpoint/FindBugs.cpp
+++ b/tools/bugpoint/FindBugs.cpp
@@ -89,7 +89,7 @@
     // output (created above).
     //
     outs() << "*** Checking if passes caused miscompliation:\n";
-    bool Diff = diffProgram(Filename, "", false, &Error);
+    bool Diff = diffProgram(Program, Filename, "", false, &Error);
     if (Error.empty() && Diff) {
       outs() << "\n*** diffProgram returned true!\n";
       debugMiscompilation(&Error);