Fixed build.

src/providers/LinkResolver.hpp

@@ -3,13 +3,15 @@
 #include <QString>
 #include <functional>
 
+#include "messages/Link.hpp"
+
 namespace chatterino {
 
 class LinkResolver
 {
 public:
     static void getLinkInfo(const QString url,
-                           std::function<void(QString)> callback);
+                           std::function<void(QString, Link)> callback);
 
 private:
 };