Reduce nesting in CheckIgnoredDecls.CheckIgnoredBaseOverridenMethod.

src/Generator/Passes/CheckIgnoredDecls.cs

@@ -174,11 +174,13 @@ namespace CppSharp.Passes
         {
             var @class = method.Namespace as Class;
 
-            if (method.IsVirtual)
-            {
+            if (!method.IsVirtual)
+                return true;
+
             Class ignoredBase;
-                if (HasIgnoredBaseClass(method, @class, out ignoredBase))
-                {
+            if (!HasIgnoredBaseClass(method, @class, out ignoredBase))
+                return true;
+
             Diagnostics.Debug(
                 "Virtual method '{0}' was ignored due to ignored base '{1}'",
                 method.QualifiedOriginalName, ignoredBase.Name);
@@ -186,10 +188,6 @@ namespace CppSharp.Passes
             method.ExplicitlyIgnore();
             return false;
         }
-            }
-
-            return true;
-        }
 
         static bool HasIgnoredBaseClass(INamedDecl @override, Class @class,
             out Class ignoredBase)