socket.c: suppress warnings

* ext/socket/socket.c (socket_s_ip_address_list): suppress
  warnings to assign pointers to literal strings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51491 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index 1ebeef7106..2e7bf96c87 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -1789,7 +1789,7 @@ socket_s_ip_address_list(VALUE self)
     int ret;
     struct lifnum ln;
     struct lifconf lc;
-    char *reason = NULL;
+    const char *reason = NULL;
     int save_errno;
     int i;
     VALUE list = Qnil;