[gimp] plug-ins: fix last commit for PLANARCONFIG == SEPARATE

[Ell <ell src gnome org>]

commit 46cb5a5e790622b4362cbe1e665ce4cc60d3be3a
Author: Ell <ell_se yahoo com>
Date:   Wed Jun 24 15:50:24 2020 +0300

    plug-ins: fix last commit for PLANARCONFIG == SEPARATE

 plug-ins/file-tiff/file-tiff-load.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plug-ins/file-tiff/file-tiff-load.c b/plug-ins/file-tiff/file-tiff-load.c
index 7f985bd7b8..27235761fc 100644
--- a/plug-ins/file-tiff/file-tiff-load.c
+++ b/plug-ins/file-tiff/file-tiff-load.c
@@ -1781,7 +1781,7 @@ load_separate (TIFF        *tif,
                     }
                   else if (is_signed)
                     {
-                      convert_int2uint (buffer, bps, spp, cols, rows,
+                      convert_int2uint (buffer, bps, 1, cols, rows,
                                         tile_width * bytes_per_pixel);
                     }