Snippets for indilib 2.1.5.1 from Alpine armv7

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armv7/community/libindi/libindi-2.1.5.1-r2.log.

• /home/buildozer/aports/community/libindi/src/indi-2.1.5.1/libs/indibase/indilogger.cpp:407:28: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'suseconds_t' {aka 'long long int'} [-Wformat=]
    407 |     snprintf(usec, 7, "%06ld", resTime.tv_usec);
        |                        ~~~~^   ~~~~~~~~~~~~~~~
        |                            |           |
        |                            long int    suseconds_t {aka long long int}
        |                        %06lld