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-rw-r--r--libguile/options.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/options.c b/libguile/options.c
index bee2b20eb..ff35c1e26 100644
--- a/libguile/options.c
+++ b/libguile/options.c
@@ -121,7 +121,7 @@ scm_options (arg, options, n, s)
SCM arg;
scm_option options[];
int n;
- char *s;
+ const char *s;
{
int i, docp = (!SCM_UNBNDP (arg)
&& !SCM_NULLP (arg)