[NFC] Sync function call with changes to interface made in r314593.

llvm-svn: 314595
diff --git a/clang-tools-extra/modularize/PreprocessorTracker.cpp b/clang-tools-extra/modularize/PreprocessorTracker.cpp
index 1df9069..a9d61f0 100644
--- a/clang-tools-extra/modularize/PreprocessorTracker.cpp
+++ b/clang-tools-extra/modularize/PreprocessorTracker.cpp
@@ -429,7 +429,7 @@
     const clang::Token *ArgTok = Args->getUnexpArgument(ArgNo);
     if (Args->ArgNeedsPreexpansion(ArgTok, PP))
       ResultArgToks = &(const_cast<clang::MacroArgs *>(Args))
-          ->getPreExpArgument(ArgNo, MI, PP)[0];
+          ->getPreExpArgument(ArgNo, PP)[0];
     else
       ResultArgToks = ArgTok; // Use non-preexpanded Tokens.
     // If the arg token didn't expand into anything, ignore it.