virtualboxmodulessign: cleanup codestyle
virtualboxmodulessign: cleanup codestyle

Change-Id: I7e3f62f0be82d0e8c3fd9852d0815a60941b8b55
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools