Accommodate interface change in r252134.

llvm-svn: 252138
diff --git a/clang-tools-extra/modularize/Modularize.cpp b/clang-tools-extra/modularize/Modularize.cpp
index 4c3e47e..e1e913e 100644
--- a/clang-tools-extra/modularize/Modularize.cpp
+++ b/clang-tools-extra/modularize/Modularize.cpp
@@ -356,7 +356,8 @@
 // if no other "-x" option is present.
 static ArgumentsAdjuster
 getModularizeArgumentsAdjuster(DependencyMap &Dependencies) {
-  return [&Dependencies](const CommandLineArguments &Args) {
+  return [&Dependencies](const CommandLineArguments &Args,
+                         StringRef /*unused*/) {
     std::string InputFile = findInputFile(Args);
     DependentsVector &FileDependents = Dependencies[InputFile];
     CommandLineArguments NewArgs(Args);