Force exit code into reasonable range (0..125)

git-svn-id: http://root.cern.ch/svn/root/trunk@43494 27541ba8-7e3a-0410-8455-c3a389f83636

core/rint/src/TRint.cxx

@@ -432,7 +432,13 @@ void TRint::Run(Bool_t retrn)
 
       if (QuitOpt()) {
          if (retrn) return;
-         Terminate(error == 0 ? retval : error);
+         if (error) {
+            retval = error;
+         }
+         // Bring retval into sensible range, 0..125.
+         if (retval < 0) retval = 1;
+         else if (retval > 125) retval = 1;
+         Terminate(retval);
       }
 
       ClearInputFiles();