# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1540478738 -10800
# Node ID e809e323fdde442a26cb05e6916723b25638a97e
# Parent  1c45b2fb471dd7863b5a175a6bfc2562681a3115
Check for NULL pointer.

diff -r 1c45b2fb471d -r e809e323fdde tools/libgfx.c
--- a/tools/libgfx.c	Thu Sep 06 13:02:14 2018 +0300
+++ b/tools/libgfx.c	Thu Oct 25 17:45:38 2018 +0300
@@ -1867,7 +1867,7 @@
     }
 
     // Check if we should have a palette
-    if ((*pimg)->format == DM_COLFMT_PALETTE)
+    if (*pimg != NULL && (*pimg)->format == DM_COLFMT_PALETTE)
     {
         // Check that we DO have a palette ..
         if (iff.pal == NULL || iff.ncolors == 0)