gl-renderer: move gl_renderer_send_shader_error() upwards

A future change will call this function from draw_view(), so move it
upwards to avoid adding a function declaration.

No functional or even cosmetic change.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

libweston/renderer-gl/gl-renderer.c

@@ -703,6 +703,19 @@ gl_fbo_texture_fini(struct gl_fbo_texture *fbotex)
 	fbotex->tex = 0;
 }
 
+static void
+gl_renderer_send_shader_error(struct weston_view *view)
+{
+	struct wl_resource *resource = view->surface->resource;
+
+	if (!resource)
+		return;
+
+	wl_client_post_implementation_error(wl_resource_get_client(resource),
+		"Weston GL-renderer shader failed for wl_surface@%u",
+		wl_resource_get_id(resource));
+}
+
 static const struct gl_shader_requirements requirements_triangle_fan = {
 	.variant = SHADER_VARIANT_SOLID,
 };
@@ -821,19 +834,6 @@ use_output(struct weston_output *output)
 	return 0;
 }
 
-static void
-gl_renderer_send_shader_error(struct weston_view *view)
-{
-	struct wl_resource *resource = view->surface->resource;
-
-	if (!resource)
-		return;
-
-	wl_client_post_implementation_error(wl_resource_get_client(resource),
-		"Weston GL-renderer shader failed for wl_surface@%u",
-		wl_resource_get_id(resource));
-}
-
 static void
 gl_renderer_use_program_with_view_uniforms(struct gl_renderer *gr,
 					   struct gl_shader **shaderp,