math/pspp: 0.8.4 -> 0.8.5

Release-Announcement:

http://lists.gnu.org/archive/html/pspp-announce/2015-06/msg00000.html

Changes:

• The FREQUENCIES and CROSSTABS commands can now generate barcharts.
• The FACTOR command can now perform PROMAX rotations.
• SPSS/PC+ system files are now supported on GET and other commands that read SPSS system files. The pspp-convert program can now read SPSS/PC+ system files. Writing the obsolete SPSS/PC+ system file format is not supported.
• SYSFILE INFO can now read SPSS/PC+ system files and SPSS portable files.
• FREQUENCIES: A bug was fixed where an assertion failure occured when an empty dataset was presented.
• The GRAPH command is now available. Initially it supports scatterplots and histograms.
• The RND operator in expressions now supports additional operands for rounding to values other than integers and to indicate a level of rounding fuzz. The default rounding fuzz may now be controlled and displayed with SET FUZZBITS and SHOW FUZZBITS, respectively.

PR: 201040
Submitted by: Carlos Jacobo Puga Medina <cpm@fbsd.es> (maintainer)