raop_client.c: At top level:
raop_client.c:400:10: error: conflicting types for 'calculate_timestamp'
uint64_t calculate_timestamp(struct timeval *tv) {
^~~~~~~~~~~~~~~~~~~
In file included from raop_client.c:39:0:
raop_client.h:52:20: note: previous declaration of 'calculate_timestamp' was here
unsigned long long calculate_timestamp(struct timeval *tv);
^~~~~~~~~~~~~~~~~~~
Fixes the following build error: