Merge branch 'upstream-KWSys' into update-kwsys

# By KWSys Upstream
* upstream-KWSys:
  KWSys 2020-04-09 (e798e567)

Source/kwsys/SystemTools.cxx

@@ -3010,7 +3010,11 @@ bool SystemTools::FileIsDirectory(const std::string& inName)
 
 bool SystemTools::FileIsExecutable(const std::string& name)
 {
+#if defined(_WIN32)
+  return SystemTools::FileExists(name, true);
+#else
   return !FileIsDirectory(name) && TestFileAccess(name, TEST_FILE_EXECUTE);
+#endif
 }
 
 bool SystemTools::FileIsSymlink(const std::string& name)