Pass the mode through to open from the File constructor

32blit/engine/file.hpp

diff --git a/32blit/engine/file.hpp b/32blit/engine/file.hpp
index ba4bc3f..c43d3e4 100644
--- a/32blit/engine/file.hpp
+++ b/32blit/engine/file.hpp
@@ -29,7 +29,7 @@
   class File final {
   public:
     File() = default;
-    File(std::string filename, int mode = OpenMode::read) {open(filename, OpenMode::read);}
+    File(std::string filename, int mode = OpenMode::read) {open(filename, mode);}
     File(const File &) = delete;
     File(File &&other) noexcept {
       *this = std::move(other);