[gimp] Issue #5735: incorrect condition because of missing parenthesis.

[Jacob Boerema <jboerema src gnome org>]

commit 02bad34a414dbf5ade258efa26903e83dce5524a
Author: Jacob Boerema <jgboerema gmail com>
Date:   Thu Oct 8 13:54:24 2020 -0400

    Issue #5735: incorrect condition because of missing parenthesis.
    
    Also taking the opportunity to change the minimum size since I
    apparently counted it wrong. The size always seems to be 46
    starting from psp file-version 4 up to and including the current
    version 13.

 plug-ins/common/file-psp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plug-ins/common/file-psp.c b/plug-ins/common/file-psp.c
index 9678e10674..23872ccae4 100644
--- a/plug-ins/common/file-psp.c
+++ b/plug-ins/common/file-psp.c
@@ -1001,7 +1001,7 @@ read_general_image_attribute_block (FILE     *f,
 
   chunk_start = ftell (f);
   if ((psp_ver_major >= 4
-      && (fread (&init_len, 4, 1, f) < 1 || (init_len = GUINT32_FROM_LE (init_len) < 42)))
+      && (fread (&init_len, 4, 1, f) < 1 || ((init_len = GUINT32_FROM_LE (init_len)) < 46)))
       || fread (&ia->width, 4, 1, f) < 1
       || fread (&ia->height, 4, 1, f) < 1
       || fread (&res, 8, 1, f) < 1