Use a more effective method of counting

This saves an intermediate array.

files/report.rb

@@ -126,7 +126,7 @@ def metrics_to_hash(report)
       report_status["failed"] += 1
     end
     # fix for Puppet non-resource errors (i.e. failed catalog fetches before falling back to cache)
-    report_status["failed"] += report.logs.find_all {|l| l.source =~ /Puppet$/ && l.level.to_s == 'err' }.count
+    report_status["failed"] += report.logs.count {|l| l.source =~ /Puppet$/ && l.level.to_s == 'err' }
 
     return report_status
   end