minor, provide glod_rd_alrtscc() to deserialise a compiled alerts trie from a buffer

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
hygiene, include limits.h where needed (in codec.h)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, rewrite glod-alert to make use of glod_rd_alrtscc()

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, move compilation guts to alrt.[ch] from glodcc.c

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'core/alrt'

* core/alrt:
  minor, move compilation guts to alrt.[ch] from glodcc.c
  minor, rewrite glod-alert to make use of glod_rd_alrtscc()
  hygiene, include limits.h where needed (in codec.h)
  minor, provide glod_rd_alrtscc() to deserialise a compiled alerts trie from a buffer