io.c: enclose statements by ifdef

* io.c (maygvl_copy_stream_read): enclose following statements by
  ifdef, not only a case label.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48050 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 9548c439c5..3a0cc01e04 100644
--- a/io.c
+++ b/io.c
@@ -10333,9 +10333,9 @@ maygvl_copy_stream_read(int has_gvl, struct copy_stream_struct *stp, char *buf,
             goto retry_read;
 #ifdef ENOSYS
 	  case ENOSYS:
-#endif
             stp->notimp = "pread";
             return -1;
+#endif
         }
         stp->syserr = offset == (off_t)-1 ?  "read" : "pread";
         stp->error_no = errno;