shithub: sox

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fix rare crash

--- a/src/rate.c

+++ b/src/rate.c

@@ -49,7 +49,7 @@

     for (j = num_phases - 1; j >= 0; --j) {

       double f0 = fm1, b = 0, c = 0, d = 0; /* = 0 to kill compiler warning */

       int pos = i * num_phases + j - 1;

-      fm1 = (pos ? coefs[pos - 1] : 0) * multiplier;

+      fm1 = (pos > 0 ? coefs[pos - 1] : 0) * multiplier;

       switch (interp_order) {

         case 1: b = f1 - f0; break;

         case 2: b = f1 - (.5 * (f2+f0) - f1) - f0; c = .5 * (f2+f0) - f1; break;