doc: misc-utils/*: Fix some warnings from "mandoc -T lint"

doc: misc-utils/*: Fix some warnings from "mandoc -T lint"

mandoc: ./misc-utils/cal.1:214:2: WARNING: skipping paragraph macro: br after sp
mandoc: ./misc-utils/cal.1:216:2: WARNING: skipping paragraph macro: br before sp
mandoc: ./misc-utils/cal.1:225:2: WARNING: skipping paragraph macro: PP after SH

mandoc: ./misc-utils/findfs.8:36:2: WARNING: skipping paragraph macro: br after sp
mandoc: ./misc-utils/findfs.8:38:2: WARNING: skipping paragraph macro: br before sp
mandoc: ./misc-utils/findfs.8:41:2: WARNING: skipping paragraph macro: br before sp
mandoc: ./misc-utils/findfs.8:44:2: WARNING: skipping paragraph macro: br before sp
mandoc: ./misc-utils/findfs.8:48:2: WARNING: skipping paragraph macro: PP empty

mandoc: ./misc-utils/logger.1:118:15: STYLE: unterminated quoted argument
mandoc: ./misc-utils/logger.1:231:2: WARNING: skipping paragraph macro: IP empty

mandoc: ./misc-utils/look.1:116:2: STYLE: fill mode already disabled, skipping: nf

mandoc: ./misc-utils/hardlink.1:1:5: STYLE: lower case character in document title: TH hardlink
mandoc: ./misc-utils/hardlink.1:1:2: WARNING: missing date, using today's date: TH
mandoc: ./misc-utils/hardlink.1:9:2: WARNING: skipping paragraph macro: PP after SH
mandoc: ./misc-utils/hardlink.1:52:2: WARNING: skipping paragraph macro: PP after SH
mandoc: ./misc-utils/hardlink.1:65:2: WARNING: skipping paragraph macro: PP after SH

mandoc: ./misc-utils/rename.1:65:2: WARNING: skipping paragraph macro: PP empty
mandoc: ./misc-utils/rename.1:65:2: WARNING: skipping paragraph macro: PP empty
mandoc: ./misc-utils/rename.1:97:2: WARNING: skipping paragraph macro: PP empty
mandoc: ./misc-utils/rename.1:107:2: WARNING: skipping paragraph macro: PP empty
mandoc: ./misc-utils/rename.1:116:2: WARNING: skipping paragraph macro: PP empty

mandoc: ./misc-utils/whereis.1:82:2: WARNING: line scope broken: IP breaks TP
mandoc: ./misc-utils/whereis.1:152:2: WARNING: skipping paragraph macro: PP empty

####

  There is no change in the ouput of "nroff" or "groff", except for

1) a very long line in "logger.1".

2) '-' changed to '\-' for a option in "logger.1".

Signed-off-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>