(Hopefully) fixed bad MSW makefiles (Vadim, can you please check if I haven't screw up something in that executable noise?)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13345 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

distrib/msw/tmake/bcc.t

@@ -31,7 +31,7 @@
 
     foreach $file (sort keys %wxCommon) {
         #! socket files don't compile under Win16 currently
-        next if $wxCommon{$file} =~ /\b(32|S)\b/;
+        next if $wxCommon{$file} =~ /\b(32|S|U)\b/;
 
         #! needs extra files (sql*.h) so not compiled by default.
         next if $file =~ /^odbc\./;