io.c (io_strip_bom): ungetbyte third byte when UTF-16LE.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/io.c b/io.c
index 78b87fc6ac..0961f34ce5 100644
--- a/io.c
+++ b/io.c
@@ -4564,6 +4564,7 @@ io_strip_bom(VALUE io)
 		rb_io_ungetbyte(io, INT2FIX(b4));
 	    }
 	    else {
+		rb_io_ungetbyte(io, INT2FIX(b3));
 		return rb_enc_find_index("UTF-16LE");
 	    }
 	    rb_io_ungetbyte(io, INT2FIX(b3));