# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1530221297 -10800
# Node ID c77019065b966a23ea8157091281728255f46089
# Parent  bc00373e5a90da9034871912e9b3a677a2b9b3f9
Initialize two variables to zero, as valgrind complains about them despite
that we assume that libPNG should initialize them .. ah well.

diff -r bc00373e5a90 -r c77019065b96 tools/libgfx.c
--- a/tools/libgfx.c	Fri Jun 29 00:27:42 2018 +0300
+++ b/tools/libgfx.c	Fri Jun 29 00:28:17 2018 +0300
@@ -599,7 +599,7 @@
     png_colorp palette = NULL;
     png_bytep *row_pointers = NULL;
     png_bytep trans = NULL;
-    png_uint_32 width, height, res_x, res_y;
+    png_uint_32 width, height, res_x = 0, res_y = 0;
     int i, bit_depth, color_type, ncolors, ntrans, unit_type;
     int res = DMERR_OK;
     DMImage *img;