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-rw-r--r--guile-readline/readline.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/guile-readline/readline.c b/guile-readline/readline.c
index 35c332fd6..04a797ba0 100644
--- a/guile-readline/readline.c
+++ b/guile-readline/readline.c
@@ -71,7 +71,7 @@ SCM_DEFINE (scm_readline_options, "readline-options-interface", 0, 1, 0,
static char *
strdup (char *s)
{
- int len = strlen (s);
+ size_t len = strlen (s);
char *new = malloc (len + 1);
strcpy (new, s);
return new;