The library file version string is taken from configure.ac AC_INIT.
Reference: http://www.freelists.org/archive/procps/09-2011
Signed-off-by: Jim Warner <james.warner@comcast.net>
Signed-off-by: Craig Small <csmall-procps@enc.com.au>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>