sync with openbsd-current
replace el_free with free
replace el_malloc with malloc
replace el_realloc with realloc
kill bogus defines
define        tok_malloc(a)           malloc(a)
define        tok_free(a)             free(a)
define        tok_realloc(a, b)       realloc(a, b)
define        tok_strdup(a)           Strdup(a)
remove bogus defines
define        h_strdup(a)     Strdup(a)
define        h_malloc(a)     malloc(a)
define        h_realloc(a, b) realloc((a), (b))
define        h_free(a)       free(a)
replace realloc with reallocarray where appropriate
replace malloc with calloc/realocarray where appropriate.
also some minor format fixes.