server_example: fix warning: no return statement in function returning non-void [-Wreturn-type]

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
dvbtee: fix warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
serve: fix warning: missing initializer for member [-Wmissing-field-initializers]

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
dvbtee: add FIXME comment to a line of code that generates a warning.

warning: variable set but not used [-Wunused-but-set-variable]
(to be fixed later on)

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
dvbtee: fix warning: unused variable [-Wunused-variable]

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
tuners: fix warning: base class ‘class tune’ should be explicitly initialized in the copy constructor [-Wextra]

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