am-utils-6.1.5 - fix autofs proto version define

From: Ian Kent <raven@themaw.net>

I don't think am-utils works with autofs protocol version 5.
---

 conf/autofs/autofs_linux.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)


diff --git a/conf/autofs/autofs_linux.c b/conf/autofs/autofs_linux.c
index f56befa..eeb211f 100644
--- a/conf/autofs/autofs_linux.c
+++ b/conf/autofs/autofs_linux.c
@@ -59,8 +59,11 @@
  */
 
 #define AUTOFS_MIN_VERSION 3
+#if AUTOFS_MAX_PROTO_VERSION >= 5
+#define AUTOFS_MAX_VERSION 4
+#else
 #define AUTOFS_MAX_VERSION AUTOFS_MAX_PROTO_VERSION
-
+#endif
 
 /*
  * STRUCTURES: