File liblept-1.69-no_return.patch of Package leptonica

Index: src/graphics.c
===================================================================
--- src/graphics.c.orig
+++ src/graphics.c
@@ -1728,7 +1728,6 @@ fpixAutoRenderContours(FPIX    *fpix,
                        l_int32  ncontours)
 {
 l_float32  minval, maxval, incr;
-PIX       *pixd;
 
     PROCNAME("fpixAutoRenderContours");
 
@@ -1742,7 +1741,7 @@ PIX       *pixd;
     if (minval == maxval)
         return (PIX *)ERROR_PTR("all values in fpix are equal", procName, NULL);
     incr = (maxval - minval) / ((l_float32)ncontours - 1);
-    pixd = fpixRenderContours(fpix, incr, 0.1 * incr);
+    return fpixRenderContours(fpix, incr, 0.1 * incr);
 }
 
 
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