rtl_tcp.c:457:57: warning: pointer types point to integer types
with different sign passing 'int *', expected
'socklen_t *' [-Wpointer-sign]
Signed-off-by: Steve Markgraf <steve@steve-m.de>
pow() might require the math library to be linked with
rtl-sdl (e.g. when compiling with clang), even though
it's actually constant.
Signed-off-by: Steve Markgraf <steve@steve-m.de>