LibPDF: Handle the TJ graphical operator

Author: https://github.com/mattco98
Commit: c142dadbe8
Pull-request: https://github.com/SerenityOS/serenity/pull/7675
Reviewed-by: https://github.com/FireFox317
Reviewed-by: https://github.com/alimpfard

Userland/Libraries/LibPDF/Renderer.h

@@ -94,7 +94,7 @@ private:
 
     void set_graphics_state_from_dict(NonnullRefPtr<DictObject>);
     // shift is the manual advance given in the TJ command array
-    void show_text(const String&, int shift = 0);
+    void show_text(const String&, float shift = 0.0f);
     RefPtr<ColorSpace> get_color_space(const Value&);
 
     ALWAYS_INLINE const GraphicsState& state() const { return m_graphics_state_stack.last(); }