Add missing resource string

ILSpy/Properties/Resources.Designer.cs

@@ -1109,6 +1109,15 @@ namespace ICSharpCode.ILSpy.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Use pattern matching expressions.
+        /// </summary>
+        public static string DecompilerSettings_PatternMatching {
+            get {
+                return ResourceManager.GetString("DecompilerSettings.PatternMatching", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Ranges.
         /// </summary>

ILSpy/Properties/Resources.resx

@@ -393,6 +393,9 @@ Are you sure you want to continue?</value>
   <data name="DecompilerSettings.Other" xml:space="preserve">
     <value>Other</value>
   </data>
+  <data name="DecompilerSettings.PatternMatching" xml:space="preserve">
+    <value>Use pattern matching expressions</value>
+  </data>
   <data name="DecompilerSettings.Ranges" xml:space="preserve">
     <value>Ranges</value>
   </data>