Woo, tab deletion now works.  Next lets see if we can 
insert stuff.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Rewrite/Rewriter.cpp b/Rewrite/Rewriter.cpp
index 01d6842..94fbe6e 100644
--- a/Rewrite/Rewriter.cpp
+++ b/Rewrite/Rewriter.cpp
@@ -27,7 +27,7 @@
   // Move past any deltas that are relevant.
   // FIXME: binary search.
   for (; DeltaIdx != Deltas.size() && 
-       OrigOffset < Deltas[DeltaIdx].FileLoc; ++DeltaIdx)
+       Deltas[DeltaIdx].FileLoc < OrigOffset; ++DeltaIdx)
     ResultOffset += Deltas[DeltaIdx].Delta;
 
   if (AfterInserts && DeltaIdx != Deltas.size() && 
@@ -44,7 +44,7 @@
   
   // Skip over any unrelated deltas.
   for (; DeltaIdx != Deltas.size() && 
-       OrigOffset < Deltas[DeltaIdx].FileLoc; ++DeltaIdx)
+       Deltas[DeltaIdx].FileLoc < OrigOffset; ++DeltaIdx)
     ;
   
   // If there is no a delta for this offset, insert a new delta record.