matrix: fix returned value by 'buildReport'

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2784 71dcc9de-d417-0410-9af5-da40c76e7ee4

tools/matrix

@@ -150,8 +150,10 @@ class MatrixImportBenchmark(BenchmarkRunner):
             report += sep
         report += self.error_log
         if failures:
-            return '%d failures' % (failures, )
-        return '%.1f KB/s' % (sum(speedlist) / len(speedlist))
+            info = '%d failures' % (failures, )
+        else:
+            info = '%.1f KB/s' % (sum(speedlist) / len(speedlist))
+        return info, report
 
 def main(args=None):
     MatrixImportBenchmark().run()