Fix missing include statements

Author: t1m0thyj

src/LanguageDialog.cs

@@ -20,7 +20,7 @@ public LanguageDialog()
         {
             InitializeComponent();
             Localization.TranslateForm(this);
-            this.linkLabel1.LinkColor = SystemColors.HotTrack;
+            this.linkLabel1.LinkColor = System.Drawing.SystemColors.HotTrack;
         }
 
         private void LanguageDialog_Load(object sender, EventArgs e)

src/Localization.cs

@@ -5,6 +5,7 @@
 using NGettext;
 using RestSharp;
 using System;
+using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;