Fix libCIndex.so's lookup of the clang executable on CMake out-of-tree builds.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/CIndex/CIndexer.cpp b/tools/CIndex/CIndexer.cpp
index 53636a4..2102799 100644
--- a/tools/CIndex/CIndexer.cpp
+++ b/tools/CIndex/CIndexer.cpp
@@ -69,7 +69,7 @@
 
   // We now have the CIndex directory, locate clang relative to it.
   CIndexPath.eraseComponent();
-  CIndexPath.eraseComponent();
+  CIndexPath.appendComponent("..");
   CIndexPath.appendComponent("bin");
   CIndexPath.appendComponent("clang");
 #endif