Fix file permissions of p4-fast-export.py to be executable.
Fix file permissions of p4-fast-export.py to be executable.

Signed-off-by: Simon Hausmann <0a3c2b6956b68ea9079d8d9063677b62a646d61b@kde.org>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git