Fixed indentation.

Some lines (incorrectly) had an indentation of 3 or 5, or 7 or 9,
or 11 or 13, or 15 or 17 spaces instead of 4, 8, 12, or 16.  Fix them.

Found with:

$ find src -type f | xargs grep -n '^   [^ ]';
$ find src -type f | xargs grep -n '^     [^ *]';
$ find src -type f | xargs grep -n '^       [^ ]';
$ find src -type f | xargs grep -n '^         [^ *]';
$ find src -type f | xargs grep -n '^           [^ +]';
$ find src -type f | xargs grep -n '^             [^ *+]';
$ find src -type f | xargs grep -n '^               [^ +]';
$ find src -type f | xargs grep -n '^                 [^ *+]';

src/nxt_time_parse.c

@@ -282,9 +282,9 @@ nxt_time_parse(const u_char *p, size_t len)
     days = days - 719527 + 31 + 28;
 
     s = (uint64_t) days * 86400
-         + (nxt_uint_t) hour * 3600
-         + (nxt_uint_t) min * 60
-         + (nxt_uint_t) sec;
+        + (nxt_uint_t) hour * 3600
+        + (nxt_uint_t) min * 60
+        + (nxt_uint_t) sec;
 
 #if (NXT_TIME_T_SIZE <= 4)