fix argument check for the rred method

diff --git a/methods/rred.cc b/methods/rred.cc
index 7236efd..c2d8eb5 100644 (file)
--- a/methods/rred.cc
+++ b/methods/rred.cc
@@ -530,7 +530,7 @@ public:
  *  and will write the result to "Testfile.result".
  */
 int main(int argc, char *argv[]) {
-       if (argc == 0) {
+       if (argc <= 1) {
                RredMethod Mth;
                return Mth.Run();
        } else {