Fix entropy_meter script

utils/entropy-meter.cpp

@@ -101,11 +101,12 @@ int main(int argc, char **argv)
                     break;
                 }
             }
-            if (line[0])
+            if (line[0]) {
                 calculate(line,advanced);
                 printf("> ");
             }
         }
+    }
     else
     {
         /* Do the test passwords on the command line */