--- /local/app/leptonlib-1.56/src/colorquant1.c	2008-05-13 18:34:39.000000000 +0400
+++ src/colorquant1.c	2008-05-15 12:48:13.000000000 +0400
@@ -2607,7 +2607,7 @@
                          l_int32  *pnerrors)
 {
 l_int32    w, h, wpls, wpld, i, j, nerrors;
-l_int32    ncubes, depth, cindex, val, oval;
+l_int32    ncubes, depth, cindex, oval;
 l_int32    rval, gval, bval;
 l_int32   *octarray;
 l_uint32   octindex;
--- /local/app/leptonlib-1.56/src/colorquant2.c	2008-05-13 18:34:39.000000000 +0400
+++ src/colorquant2.c	2008-05-15 12:48:42.000000000 +0400
@@ -420,7 +420,7 @@
         /* Re-sort by the product of pixel occupancy times the size
 	 * in color space. */
     phs = pheapCreate(0, L_SORT_DECREASING);
-    while (vbox = (L_BOX3D *)pheapRemove(ph)) {
+    while ((vbox = (L_BOX3D *)pheapRemove(ph))) {
         vbox->sortparam = vbox->npix * vbox->vol;
         pheapAdd(phs, vbox);
     }
@@ -460,7 +460,7 @@
         /* Re-sort by pixel occupancy.  This is not necessary,
          * but it makes a more useful listing.  */
     ph = pheapCreate(0, L_SORT_DECREASING);
-    while (vbox = (L_BOX3D *)pheapRemove(phs)) {
+    while ((vbox = (L_BOX3D *)pheapRemove(phs))) {
         vbox->sortparam = vbox->npix;
 /*        vbox->sortparam = vbox->npix * vbox->vol; */
         pheapAdd(ph, vbox);