Fix unused variable warning.

llvm-svn: 99021
diff --git a/clang/tools/CIndex/CIndex.cpp b/clang/tools/CIndex/CIndex.cpp
index 0888216..1000818 100644
--- a/clang/tools/CIndex/CIndex.cpp
+++ b/clang/tools/CIndex/CIndex.cpp
@@ -457,8 +457,7 @@
       return true;
 
     // Walk the preprocessing record.
-    if (PreprocessingRecord *PPRec
-                       = CXXUnit->getPreprocessor().getPreprocessingRecord()) {
+    if (CXXUnit->getPreprocessor().getPreprocessingRecord()) {
       // FIXME: Once we have the ability to deserialize a preprocessing record,
       // do so.
       PreprocessingRecord::iterator E, EEnd;