set branchtype to regexp if there are regexp-indicative characters in

the branchname

webtools/tinderbox/buildwho.pl

@@ -109,7 +109,7 @@ sub build_who {
 
     $query_module=$cvs_module;
     $query_branch=$cvs_branch;
-
+    $query_branchtype='regexp' if $query_branch =~ /\*|\?|\+/;
 
     my $who_file = "$tree/who.dat";
     my $temp_who_file = "$who_file.$$";