* suppress warnings with -Wwrite-string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16716 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/math.c b/math.c
index 37d019bc70..6bf233acee 100644
--- a/math.c
+++ b/math.c
@@ -35,7 +35,7 @@ to_flo(VALUE x)
 } while (0)
 
 static void
-domain_check(double x, char *msg)
+domain_check(double x, const char *msg)
 {
     while(1) {
 	if (errno) {