Make Program::Wait differentiate execution failure due to the file

being not found from the file being not executable. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117664 91177308-0d34-0410-b5e6-96231b3b80d8

lib/System/Win32/Program.inc

@@ -337,7 +337,8 @@ Program::Execute(const Path& path,
 }
 
 int
-Program::Wait(unsigned secondsToWait,
+Program::Wait(const Path &path,
+              unsigned secondsToWait,
               std::string* ErrMsg) {
   if (Data_ == 0) {
     MakeErrMsg(ErrMsg, "Process not started!");