Only flag pacakges with same or lower pkgver

Signed-off-by: Lars Rustand <rustand.lars@gmail.com>

Author: lrustand

packages/views/flag.py

@@ -85,7 +85,8 @@ def flag(request, name, repo, arch):
         return render(request, 'packages/flagged.html', {'pkg': pkg})
 
     pkgs = find_same_pkgbase(pkg).filter(
-            flag_date__isnull=True)
+            flag_date__isnull=True,
+            pkgver__lte=pkg.pkgver)
 
     authenticated = request.user.is_authenticated