# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1529976566 -10800
# Node ID 699ee626912b52068d94eeeb556a8e76b8446dfa
# Parent  f80b2dc77c301bc38cd76f306f0cc3708ecfd61d
Fix IFF number of planes checking.

diff -r f80b2dc77c30 -r 699ee626912b tools/gfxconv.c
--- a/tools/gfxconv.c	Tue Jun 26 03:13:38 2018 +0300
+++ b/tools/gfxconv.c	Tue Jun 26 04:29:26 2018 +0300
@@ -1361,10 +1361,15 @@
         case DM_IMGFMT_IFF:
             spec->compression = 1;
             spec->nplanes = 0;
-            for (int n = 0; n < 8; n++)
+            for (int n = 8; n >= 0;)
             {
                 if (image->ncolors & (1 << n))
+                {
                     spec->nplanes = n;
+                    break;
+                }
+                else
+                    n--;
             }
             break;