decode: clean up code by using references

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
decode: remove extra semicolon (;)

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
parse: remove extra semicolon (;)

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
libdvbtee: enable backwards compat against old libdvbpsi

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>