x86: lpc: fix a segfault in av_evaluate_lls_sse2()

libavcodec/lpc.c

@@ -221,7 +221,7 @@ int ff_lpc_calc_coefs(LPCContext *s,
 
                 if(pass){
                     double eval, inv, rinv;
-                    eval= m[(pass-1)&1].evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
+                    eval= m[pass&1].evaluate_lls(&m[(pass-1)&1], var+1, max_order-1);
                     eval= (512>>pass) + fabs(eval - var[0]);
                     inv = 1/eval;
                     rinv = sqrt(inv);

libavutil/x86/lls.asm

@@ -197,7 +197,7 @@ cglobal update_lls, 3,6,8, ctx, var, count, i, j, count2
 
 
 INIT_XMM sse2
-cglobal evaluate_lls, 2,4,2, ctx, var, order, i
+cglobal evaluate_lls, 3,4,2, ctx, var, order, i
     ; This function is often called on the same buffer as update_lls, but with
     ; an offset. They can't both be aligned.
     ; Load halves rather than movu to avoid store-forwarding stalls, since the