Reduce lint

*** 187,197 ****
           * Handle a size in percent. Anything other than a single percent
           * modifier is invalid. We use either the zone's swap limit or the
           * system's total available swap size as the initial value. Perform the
           * intermediate calculation in pages to avoid overflow.
           */
!         if (*c == '\%') {
                  u_longlong_t cap;
  
                  if (*(c + 1) != '\0')
                          return (EINVAL);
  
--- 187,197 ----
           * Handle a size in percent. Anything other than a single percent
           * modifier is invalid. We use either the zone's swap limit or the
           * system's total available swap size as the initial value. Perform the
           * intermediate calculation in pages to avoid overflow.
           */
!         if (*c == '%') {
                  u_longlong_t cap;
  
                  if (*(c + 1) != '\0')
                          return (EINVAL);