webkit2gtk: fix build
webkit2gtk: fix build

Some missing symbol(s) like EGL_WAYLAND_BUFFER_WL are
defined in EGL/eglmesaext.h thus add it to the includes.

necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,necrophcodr/void-packages