Merge branch '8.6'

ChangeLog

@@ -9,6 +9,7 @@
 - bump wrapper script version [bgilbert]
 - fix a memleak on error during jpeg buffer write [lovell]
 - fix misspelling of IPTC as IPCT [lovell]
+- seq could be set on small images opened in random-access mode [aferrero2707]
 
 15/4/17 started 8.6.0
 - supports fits images with leading non-image HDUs, thanks benepo

libvips/foreign/foreign.c

@@ -838,7 +838,6 @@ vips_foreign_load_start( VipsImage *out, void *a, void *b )
 		 */
 		vips_image_pipelinev( load->out, load->out->dhint, 
 			load->real, NULL );
-
 	}
 
 	return( vips_region_new( load->real ) );
@@ -951,6 +950,14 @@ vips_foreign_load_build( VipsObject *object )
 			vips_stop_one, 
 			NULL, load ) ) 
 			return( -1 );
+
+		/* We have delayed load. This must mean that the loader will
+		 * load to a memory buffer or temp file, and will therefore
+		 * support random access. 
+		 *
+		 * Make sure there's no seq flag set on the output image. 
+		 */
+		(void) vips_image_remove( load->out, VIPS_META_SEQUENTIAL );
 	}
 
 	return( 0 );

libvips/iofuncs/image.c

@@ -3139,7 +3139,8 @@ vips_image_copy_memory( VipsImage *image )
  * image might have been shared, use the less efficient
  * vips_image_copy_memory() instead.
  *
- * See also: vips_image_copy_memory(), vips_image_pio_input(), vips_image_inplace(), VIPS_IMAGE_ADDR().
+ * See also: vips_image_copy_memory(), vips_image_pio_input(), 
+ * vips_image_inplace(), VIPS_IMAGE_ADDR().
  *
  * Returns: 0 on succeess, or -1 on error.
  */