revert r31783.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/numeric.c b/numeric.c
index b868c51bea..09860dc6f2 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1512,7 +1512,7 @@ flo_round(int argc, VALUE *argv, VALUE num)
 		VALUE f10 = int_pow(10, -ndigits);
 		VALUE n10 = f10;
 		if (number < 0) {
-		    n10 = FIXNUM_P(n10) ? fix_uminus(n10) : rb_big_uminus(n10);
+		    f10 = FIXNUM_P(f10) ? fix_uminus(f10) : rb_big_uminus(f10);
 		}
 		num = rb_big_idiv(rb_dbl2big(absnum), n10);
 		return FIXNUM_P(num) ? fix_mul(num, f10) : rb_big_mul(num, f10);