cgetcap(3) can't parse correctly the line without newline.

[Takehiko NOZAKI]

here is another wrong fgetln(3) usage:

    801                         line = fgetln(pfp, &len);
    802                         if (line == NULL) {
...
    821                         } else
    822                                 line[len - 1] = '\0';

[Takehiko NOZAKI]

BUGFIX: Issue #93 -- cgetcap(3) can't parse correctly the line without newline. also fix off-by-one and replace getline(3) for portability.

→ <<cset 98c9a36f7228>>