[MEXEC-101]
  - Migration to JDK 1.5

git-svn-id: https://svn.codehaus.org/mojo/trunk/mojo/exec-maven-plugin@19365 52ab4f32-60fc-0310-b215-8acea882cd1b
- Removed accidently closing resource.

git-svn-id: https://svn.codehaus.org/mojo/trunk/mojo/exec-maven-plugin@19366 52ab4f32-60fc-0310-b215-8acea882cd1b