[pan2] Fix missing recursion (this is a pre-existing bug).

[Petr Kovář <pmkovar src gnome org>]

commit 4323223e514298d5e2200a89dfc6b7affd32ab40
Author: Olaf Seibert <rhialto falu nl>
Date:   Mon Mar 7 23:10:58 2016 +0100

    Fix missing recursion (this is a pre-existing bug).

 pan/usenet-utils/scorefile.cc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/pan/usenet-utils/scorefile.cc b/pan/usenet-utils/scorefile.cc
index 0e0b979..7f52bad 100644
--- a/pan/usenet-utils/scorefile.cc
+++ b/pan/usenet-utils/scorefile.cc
@@ -397,6 +397,7 @@ namespace
 
     if (test->_aggregates.size() == 1) {
       *test = *test->_aggregates[0];
+      normalize_test (test);
     } else foreach (FilterInfo::aggregatesp_t, test->_aggregates, it)
       normalize_test (*it);
   }