Snippets for neatvi 20 from Alpine ppc64le

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-ppc64le/community/neatvi/neatvi-20-r0.log.

• vi.c:1605:42: warning: '%-*s' directive output may be truncated writing up to 255 bytes into a region of size between 115 and 124 [-Wformat-truncation=]
   1605 |         snprintf(out, sizeof(out), "[%d] %-*s  %s", id + 1, sep, path, ln + des);
        |                                          ^~~~
  

• vi.c:1645:53: warning: '%s' directive output may be truncated writing up to 255 bytes into a region of size 248 [-Wformat-truncation=]
   1645 |                 snprintf(msg, sizeof(msg), "Filter (%s): ", kws);
        |                                                     ^~      ~~~
  

• vi.c:1253:59: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=]
   1253 |                         snprintf(vi_ai, sizeof(vi_ai), "%s", in);
        |                                                           ^