Remove unused argument.

llvm-svn: 183992
diff --git a/llvm/lib/Support/Windows/Program.inc b/llvm/lib/Support/Windows/Program.inc
index cb3bc69..ee0f907 100644
--- a/llvm/lib/Support/Windows/Program.inc
+++ b/llvm/lib/Support/Windows/Program.inc
@@ -356,8 +356,8 @@
   return true;
 }
 
-static int WaitAux(Win32ProcessInfo *wpi, const Path &path,
-                   unsigned secondsToWait, std::string *ErrMsg) {
+static int WaitAux(Win32ProcessInfo *wpi, unsigned secondsToWait,
+                   std::string *ErrMsg) {
   // Wait for the process to terminate.
   HANDLE hProcess = wpi->hProcess;
   DWORD millisecondsToWait = INFINITE;
@@ -401,7 +401,7 @@
 static int Wait(void *&Data, const Path &path, unsigned secondsToWait,
                 std::string *ErrMsg) {
   Win32ProcessInfo *wpi = reinterpret_cast<Win32ProcessInfo *>(Data);
-  int Ret = WaitAux(wpi, path, secondsToWait, ErrMsg);
+  int Ret = WaitAux(wpi, secondsToWait, ErrMsg);
 
   CloseHandle(wpi->hProcess);
   delete wpi;