# HG changeset patch
# User mas01cr
# Date 1307032300 0
# Node ID 6a5117d68ac4ed0ccf753b16bd9e03b6c2680ae8
# Parent  337e72088f76d22c8fa75114d504892d96931df0
More sample fix

Amazingly, it's still the same bit of code that is wrong, and this time
I deserve to suffer shame from Chris Cannam, with whom just last month I
had a discussion about the relative merits of signed- and unsigned integers
by default: the error I made here was Chris' textbook example...

diff -r 337e72088f76 -r 6a5117d68ac4 sample.cpp
--- a/sample.cpp	Thu Jun 02 16:31:35 2011 +0000
+++ b/sample.cpp	Thu Jun 02 16:31:40 2011 +0000
@@ -187,11 +187,10 @@
 
   std::set<std::string>::iterator keys_end = qstate->allowed_keys->end();
   for(uint32_t i = 0; i < adb->header->numFiles; i++) {
-    uint32_t prev = i == 0 ? 0 : props[i-1];
     if(qstate->allowed_keys->find((*adb->keys)[i]) == keys_end) {
       props[i] = 0;
     } else {
-      uint32_t add = (*adb->track_lengths)[i] - spec->qid.sequence_length + 1;
+      int32_t add = (*adb->track_lengths)[i] - spec->qid.sequence_length + 1;
       props[i] = add > 0 ? add : 0;
       total += props[i];
     }