Fix MSVC build for changes in zic.

Ooops, I missed back-patching commit f5f15ea6a along with the other stuff.

src/tools/msvc/Mkvcbuild.pm

@@ -351,7 +351,7 @@ sub mkvcbuild
     $pgrestore->AddFile('src\backend\parser\kwlookup.c');
 
     my $zic = $solution->AddProject('zic','exe','utils');
-    $zic->AddFiles('src\timezone','zic.c','ialloc.c','scheck.c','localtime.c');
+    $zic->AddFiles('src\timezone','zic.c');
     $zic->AddReference($libpgport);
 
     if ($solution->{options}->{xml})