man page: add line breaks in Synopsis section
Changes man page display from:
SYNOPSIS
makedepend [ -Dname=def ] [ -Dname ] [ -Iincludedir ] [ -Yincludedir ]
[ -a ] [ -fmakefile ] [ -include file ] [ -oobjsuffix ] [ -pobjprefix ]
[ -sstring ] [ -wwidth ] [ -v ] [ -m ] [ -- otheroptions -- ] source-
file ...
to:
SYNOPSIS
makedepend [ -Dname=def ] [ -Dname ] [ -Iincludedir ] [ -Yincludedir ]
[ -a ] [ -fmakefile ] [ -include file ] [ -oobjsuffix ]
[ -pobjprefix ] [ -sstring ] [ -wwidth ] [ -v ] [ -m ]
[ -- otheroptions -- ] sourcefile ...