Merge pull request #260 from scotje/fixup_missing_commit

Handle a missing description gracefully

Author: binford2k

lib/puppet-strings/markdown/base.rb

@@ -172,6 +172,8 @@ def private?
     end
 
     def word_wrap(text, line_width: 120, break_sequence: "\n")
+      return unless text
+
       text.split("\n").collect! do |line|
         line.length > line_width ? line.gsub(/(.{1,#{line_width}})(\s+|$)/, "\\1#{break_sequence}").strip : line
       end * break_sequence