gl-renderer: Rename gl_renderer::output_create to output_window_create

No functional change. This patch renames gl_renderer_output_create() to
gl_renderer_output_window_create(), which is something more descriptive
of what the function does.

Signed-off-by: Miguel A Vico Moya <mvicomoya@nvidia.com>
Reviewed-by: Andy Ritger <aritger@nvidia.com>
Reviewed-by: James Jones <jajones@nvidia.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/libweston/gl-renderer.h b/libweston/gl-renderer.h
index 32ba153..ee32790 100644
--- a/libweston/gl-renderer.h
+++ b/libweston/gl-renderer.h
@@ -69,12 +69,12 @@
 
 	EGLDisplay (*display)(struct weston_compositor *ec);
 
-	int (*output_create)(struct weston_output *output,
-			     EGLNativeWindowType window_for_legacy,
-			     void *window_for_platform,
-			     const EGLint *attribs,
-			     const EGLint *visual_id,
-			     const int n_ids);
+	int (*output_window_create)(struct weston_output *output,
+				    EGLNativeWindowType window_for_legacy,
+				    void *window_for_platform,
+				    const EGLint *attribs,
+				    const EGLint *visual_id,
+				    const int n_ids);
 
 	void (*output_destroy)(struct weston_output *output);