* bignum.c (bigmul1_toom3): remove unused variable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

bignum.c

@@ -2279,7 +2279,7 @@ static VALUE bigdivrem(VALUE, VALUE, volatile VALUE*, volatile VALUE*);
 static VALUE
 bigmul1_toom3(VALUE x, VALUE y)
 {
-    long i, n, xn, yn, zn;
+    long n, xn, yn, zn;
     VALUE x0, x1, x2, y0, y1, y2;
     VALUE u0, u1, u2, u3, u4, v1, v2, v3;
     VALUE z0, z1, z2, z3, z4, z, t;