Snippets for libnova 0.16.0 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/libnova/0.16.0_1/150amd64-default.log.

• transform.c:119:6: warning: absolute value function 'fabs' given an argument of type 'long double' but has parameter of type 'double' which may cause truncation of value [-Wabsolute-value]
    119 |         if (fabs(Zs) < 1e-5) {
        |             ^
  

• nutation.c:198:6: warning: absolute value function 'fabs' given an argument of type 'long double' but has parameter of type 'double' which may cause truncation of value [-Wabsolute-value]
    198 |         if (fabs(JD - c_JD) > LN_NUTATION_EPOCH_THRESHOLD) {
        |             ^
  

• parallax.c:67:2: warning: call to undeclared function 'ln_get_earth_centre_dist'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     67 |         ln_get_earth_centre_dist (height, observer->lat, &ro_sin, &ro_cos);
        |         ^