Merge branch '8.8'

ChangeLog

@@ -23,6 +23,7 @@
 - fix build with MSVC 
 - fix a problem with shinkv tail processing [angelmixu]
 - fix a read one byte beyond buffer bug in jpegload
+- make GIF parsing less strict
 
 24/5/19 started 8.8.1
 - improve realpath() use on older libc

libvips/foreign/gifload.c

@@ -22,11 +22,14 @@
  * 	- init pages to 0 before load
  * 14/2/19
  * 	- rework as a sequential loader ... simpler, much lower mem use
+<<<<<<< HEAD
  * 6/7/19 [deftomat]
  * 	- support array of delays 
  * 24/7/19
  * 	- close early on minimise 
  * 	- close early on error
+ * 23/8/18
+ * 	- allow GIF read errors during header scan
  */
 
 /*
@@ -628,10 +631,11 @@ vips_foreign_load_gif_header( VipsForeignLoad *load )
 	gif->n_pages = 0;
 
 	do {
-		if( DGifGetRecordType( gif->file, &record ) == GIF_ERROR ) {
-			vips_foreign_load_gif_error( gif );
-			return( -1 );
-		}
+		/* Don't flag errors during header scan. Some corrupt GIFs
+		 * will fail.
+		 */
+		if( DGifGetRecordType( gif->file, &record ) == GIF_ERROR ) 
+			continue;
 
 		switch( record ) {
 		case IMAGE_DESC_RECORD_TYPE: