Cygwin manpage link

Cygwin has ps from a different package so I'm making a symbolic link to
the manpage so it will install as procps instead.

Signed-off-by: Wayne Porter <wporter82@gmail.com>
1 job for master in 3 minutes and 13 seconds
Status Job ID Name Coverage
  Test
failed #18783939
MakeCheck

00:03:13

 
Name Stage Failure
failed
MakeCheck Test There is an unknown failure, please try again
Makefile:576: recipe for target 'check-am' failed
make[2]: *** [check-am] Error 2
make[2]: Leaving directory '/builds/wporter82/procps/testsuite'
Makefile:1816: recipe for target 'check-recursive' failed
make[1]: *** [check-recursive] Error 1
make[1]: Leaving directory '/builds/wporter82/procps'
make: *** [check] Error 2
Makefile:2272: recipe for target 'check' failed
ERROR: Job failed: exit code 1