Only with X11 does eglCreatePlatformWindowSurface take a pointer to a
window handle instead of a handle value directly. Since
eglCreateWindowSurface delegates to CreatePlatformWindowSurface, it must
take the address of the window handle.

Bug: b/168821209
Change-Id: I69c7bf3315a871c2cd806a736fd73606cac34ad2
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/48789Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Tested-by: Nicolas Caramelli <caramelli.devel@gmail.com>