* gc.h (rb_gc_debug_body): constified.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25366 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/gc.h b/gc.h
index 29fd6b407c..82fbcb53e0 100644
--- a/gc.h
+++ b/gc.h
@@ -26,7 +26,7 @@ rb_gc_debug_indent(void)
 }
 
 static void
-rb_gc_debug_body(char *mode, char *msg, int st, void *ptr)
+rb_gc_debug_body(const char *mode, const char *msg, int st, void *ptr)
 {
     if (st == 0) {
 	ruby_gc_debug_indent--;