if passed in options are already having a dash then do nothing

git-svn-id: https://svn.apache.org/repos/asf/maven/sandbox/branches/surefire@544104 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: a7b393f4bb5687df8356c593e555c6f24229e25e
  1. apopescu/
  2. surefire-collaboration/