Fix UTF8_CHK_SKIP()

I forgot an arg in a macro it calls.

1 files changed, 2 insertions, 1 deletions

diff --git a/utf8.h b/utf8.h
index 83cccf16c3..8868efb5d0 100644
--- a/utf8.h
+++ b/utf8.h
@@ -583,7 +583,8 @@ L</C<UTF8_SAFE_SKIP>>, for example when interfacing with a C library.
 */
 
 #define UTF8_CHK_SKIP(s)                                                       \
-            (s[0] == '\0' ? 1 : MIN(my_strnlen((char *) (s), UTF8SKIP(s))))
+            (s[0] == '\0' ? 1 : MIN(UTF8SKIP(s),                               \
+                                    my_strnlen((char *) (s), UTF8SKIP(s))))
 /*
 
 =for apidoc Am|STRLEN|UTF8_SAFE_SKIP|char* s|char* e