Userland: Move non-standard math constants from math.h

Author: https://github.com/boricj
Commit: 7d84f09e7e
Pull-request: https://github.com/SerenityOS/serenity/pull/6671
Reviewed-by: https://github.com/linusg

Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/ExtraMathConstants.h>
 #include <AK/OwnPtr.h>
 #include <LibGfx/Painter.h>
 #include <LibWeb/Bindings/CanvasRenderingContext2DWrapper.h>