Fixed typo.

llvm-svn: 184347
diff --git a/clang-tools-extra/modularize/Modularize.cpp b/clang-tools-extra/modularize/Modularize.cpp
index 523a9e2..d367b91 100644
--- a/clang-tools-extra/modularize/Modularize.cpp
+++ b/clang-tools-extra/modularize/Modularize.cpp
@@ -126,7 +126,7 @@
 
   // Read the header list file into a buffer.
   OwningPtr<MemoryBuffer> listBuffer;
-  if (error_code ec = MemoryBuffer::getFile(ListFileName, listBuffer)) {
+  if (error_code ec = MemoryBuffer::getFile(listFileName, listBuffer)) {
     return ec;
   }