Snippets for aha 0.5.1 from Alpine ppc64le

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-ppc64le/community/aha/aha-0.5.1-r3.log.

• aha.c:232:31: warning: '%02x' directive writing between 2 and 8 bytes into a region of size between 4 and 10 [-Wformat-overflow=]
    232 |         sprintf(str_rgb, "%02x%02x%02x", rgb_R, rgb_G, rgb_B);
        |                               ^~~~
  

• aha.c:504:72: warning: '%i' directive output may be truncated writing between 1 and 10 bytes into a region of size 7 [-Wformat-truncation=]
    504 |         if(opts->iso>0) snprintf(encoding, sizeof(encoding), "ISO-8859-%i", opts->iso);
        |                                                                        ^~