Fix some compiler warnings.

ICSharpCode.Decompiler/Tests/ICSharpCode.Decompiler.Tests.csproj

@@ -13,8 +13,8 @@
     <NoStdLib>False</NoStdLib>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
-    <NoWarn>67,169</NoWarn>
     <CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
+    <NoWarn>67,169,1058,728</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Platform)' == 'x86' ">
     <PlatformTarget>x86</PlatformTarget>

ILSpy.BamlDecompiler/Ricciolo.StylesExplorer.MarkupReflection/TypeDeclaration.cs

@@ -132,6 +132,11 @@ namespace Ricciolo.StylesExplorer.MarkupReflection
 			else
 				return false;
 		}
+		
+		public override int GetHashCode()
+		{
+			return this.AssemblyId ^ this.Name.GetHashCode() ^ this.Namespace.GetHashCode();
+		}
 	}
 
 }