lib: Fix igt_ouput_get_plane() typo (output)

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
diff --git a/tests/kms_cursor_crc.c b/tests/kms_cursor_crc.c
index e8c923f..f98fbdb 100644
--- a/tests/kms_cursor_crc.c
+++ b/tests/kms_cursor_crc.c
@@ -78,7 +78,7 @@
 
 	printf("."); fflush(stdout);
 
-	cursor = igt_ouput_get_plane(test_data->output, IGT_PLANE_CURSOR);
+	cursor = igt_output_get_plane(test_data->output, IGT_PLANE_CURSOR);
 	igt_plane_set_position(cursor, x, y);
 	igt_display_commit(display);
 	igt_wait_for_vblank(data->drm_fd, test_data->pipe);
@@ -106,7 +106,7 @@
 	igt_output_t *output = test_data->output;
 	igt_plane_t *cursor;
 
-	cursor = igt_ouput_get_plane(output, IGT_PLANE_CURSOR);
+	cursor = igt_output_get_plane(output, IGT_PLANE_CURSOR);
 	igt_plane_set_fb(cursor, &data->fb[cursor_type]);
 	igt_display_commit(display);
 }
@@ -118,7 +118,7 @@
 	igt_output_t *output = test_data->output;
 	igt_plane_t *cursor;
 
-	cursor = igt_ouput_get_plane(output, IGT_PLANE_CURSOR);
+	cursor = igt_output_get_plane(output, IGT_PLANE_CURSOR);
 	igt_plane_set_fb(cursor, NULL);
 	igt_display_commit(display);
 }
@@ -199,7 +199,7 @@
 				0.0, 0.0, 0.0,
 				&data->primary_fb);
 
-	primary = igt_ouput_get_plane(output, IGT_PLANE_PRIMARY);
+	primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
 	igt_plane_set_fb(primary, &data->primary_fb);
 
 	igt_display_commit(display);
@@ -243,7 +243,7 @@
 
 	kmstest_remove_fb(data->drm_fd, &data->primary_fb);
 
-	primary = igt_ouput_get_plane(output, IGT_PLANE_PRIMARY);
+	primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
 	igt_plane_set_fb(primary, NULL);
 
 	igt_output_set_pipe(output, PIPE_ANY);