Fixed code analysis issues.

Author: alexmg

src/Autofac.Integration.WebApi.Owin/Properties/AssemblyInfo.cs

@@ -3,11 +3,13 @@
 using System.Resources;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using System.Security;
 
 [assembly: AssemblyTitle("Autofac.Integration.WebApi.Owin")]
 [assembly: InternalsVisibleTo("Autofac.Tests.Integration.WebApi.Owin, PublicKey=00240000048000009400000006020000002400005253413100040000010001008728425885ef385e049261b18878327dfaaf0d666dea3bd2b0e4f18b33929ad4e5fbc9087e7eda3c1291d2de579206d9b4292456abffbe8be6c7060b36da0c33b883e3878eaf7c89fddf29e6e27d24588e81e86f3a22dd7b1a296b5f06fbfb500bbd7410faa7213ef4e2ce7622aefc03169b0324bcd30ccfe9ac8204e4960be6")]
 [assembly: ComVisible(false)]
 [assembly: CLSCompliant(true)]
+[assembly: AllowPartiallyTrustedCallers]
 
 [assembly: AssemblyCompany("Autofac Project - http://autofac.org")]
 [assembly: AssemblyProduct("Autofac")]