Fix build with -Werror=template-id-cdtor (#5341)

error: template-id not allowed for constructor in C++20 [-Werror=template-id-cdtor]

Author: kistlin

thirdparty/filewatch/FileWatch.hpp

@@ -126,7 +126,7 @@ namespace filewatch {
         FileWatch<T>& operator=(const FileWatch<T>& other) = delete;
 
         // Const memeber varibles don't let me implent moves nicely, if moves are really wanted std::unique_ptr should be used and move that.
-        FileWatch<T>(FileWatch<T>&&) = delete;
+        FileWatch(FileWatch<T>&&) = delete;
         FileWatch<T>& operator=(FileWatch<T>&&) & = delete;
 
     private: