Fixed use of the -p flag without an interval

That is, -p 2004/01 is equivalent to "-b 2004/01/01 -e 2004/01/31"
again.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/filters.h b/src/filters.h
index 66d0dd2e..d5636796 100644
--- a/src/filters.h
+++ b/src/filters.h
@@ -598,8 +598,8 @@ public:
   }
 
   void report_subtotal() {
-    assert(last_xact);
-    subtotal_xacts::report_subtotal();
+    if (last_xact && interval)
+      subtotal_xacts::report_subtotal();
     last_xact = NULL;
   }