numeric.c: use NUM2DBL

* numeric.c (fix_fdiv_double), bignum.c (rb_big_fdiv_double): use
  NUM2DBL on unknown object.  RFLOAT_VALUE is only appliicable to
  T_FLOAT object.  [ruby-core:82924] [Bug #13928]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59986 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/numeric.c b/numeric.c
index 480ab7e0cb..597bfb54dd 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3629,7 +3629,7 @@ fix_fdiv_double(VALUE x, VALUE y)
         return (double)FIX2LONG(x) / RFLOAT_VALUE(y);
     }
     else {
-        return RFLOAT_VALUE(rb_num_coerce_bin(x, y, rb_intern("fdiv")));
+        return NUM2DBL(rb_num_coerce_bin(x, y, rb_intern("fdiv")));
     }
 }