Fix broken shebang (fix for issue #19)

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fix for issue #20
Compare PIB length in header with actual file size only if header value
is greater than zero

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fix compiler warning about missing initializer
Add missing initialization for plc.flag2

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>