Merge pull request #1180 from g0tmi1k/fixes

Stop trying to execute when it shouldn't

wpscan.rb

@@ -524,12 +524,15 @@ def main
     end
     exit(1)
   ensure
+    # Make sure there was an argument
+    if ARGV.length != 0
       # Ensure a clean abort of Hydra
       # See https://github.com/wpscanteam/wpscan/issues/461#issuecomment-42735615
       Browser.instance.hydra.abort
       Browser.instance.hydra.run
     end
   end
+end
 
 main()
 exit($exit_code)