Cast fd's to intptr_t before casting to EGLNativeDisplay

Fixes warnings on 64bit.

Also use wlsc_compositor::destroy_image in compositor-openwfd.

compositor/compositor-drm.c

@@ -264,7 +264,7 @@ init_egl(struct drm_compositor *ec, struct udev_device *device)
 	}
 
 	ec->drm.fd = fd;
-	ec->base.display = eglGetDisplay((EGLNativeDisplayType) ec->drm.fd);
+	ec->base.display = eglGetDisplay(FD_TO_EGL_NATIVE_DPY(ec->drm.fd));
 	if (ec->base.display == NULL) {
 		fprintf(stderr, "failed to create display\n");
 		return -1;

compositor/compositor-openwfd.c

@@ -116,7 +116,7 @@ init_egl(struct wfd_compositor *ec)
 		return -1;
 
 	ec->wfd_fd = fd;
-	ec->base.display = eglGetDRMDisplayMESA(ec->wfd_fd);
+	ec->base.display = eglGetDisplay(FD_TO_EGL_NATIVE_DPY(ec->wfd_fd));
 	if (ec->base.display == NULL) {
 		fprintf(stderr, "failed to create display\n");
 		return -1;
@@ -374,7 +374,7 @@ destroy_output(struct wfd_output *output)
 	glDeleteRenderbuffers(2, output->rbo);
 
 	for (i = 0; i < 2; i++) {
-		eglDestroyImageKHR(ec->base.display, output->image[i]);
+		ec->base.destroy_image(ec->base.display, output->image[i]);
 		wfdDestroySource(ec->dev, output->source[i]);
 	}
 	

compositor/compositor.h

@@ -31,6 +31,8 @@
 
 #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
 
+#define FD_TO_EGL_NATIVE_DPY(fd) ((EGLNativeDisplayType)(intptr_t)(fd))
+
 struct wlsc_matrix {
 	GLfloat d[16];
 };