--- a/Meerwald/wm_kund2_d.c	Tue Sep 21 13:40:51 2010 +0200
+++ b/Meerwald/wm_kund2_d.c	Sat Jan 28 23:54:58 2023 +0100
@@ -228,9 +228,7 @@
     int lwidth = p->vertical->image->width;
     int lheight =  p->vertical->image->height;
     int bx, by;
-    int nblock;
 
-    nblock = 0;
     for (bx = 0; bx < lwidth; bx += blocksize) {
       for (by = 0; by < lheight; by += blocksize) {
         int bw = MIN(bx + blocksize, lwidth);
@@ -239,7 +237,7 @@
 
     // start to extracting watermark from beginning at each level
     // get width and height of detail images at current level
-  
+
     if (verbose > 1)
       fprintf(stderr, "%s: extracting at level %d now, size %d x %d\n",
         progname, p->coarse->level, lwidth, lheight);