Snippets for aquamarine-rendering-backend 0.12.0 from Alpine armv7

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armv7/community/aquamarine/aquamarine-0.12.0-r0.log.

• /home/buildozer/aports/community/aquamarine/src/aquamarine-0.12.0/src/backend/Headless.cpp:234:78: warning: narrowing conversion of 'ns.std::chrono::duration<long long int, std::ratio<1, 1000000000> >::count()' from 'std::chrono::duration<long long int, std::ratio<1, 1000000000> >::rep' {aka 'long long int'} to 'long int' [-Wnarrowing]
    234 |     itimerspec ts   = {.it_value = {secs.time_since_epoch().count(), ns.count()}};
        |                                                                      ~~~~~~~~^~