NULL is a C keyword, not a "NULL" string.

diff --git a/src/modules/rlm_unix/rlm_unix.c b/src/modules/rlm_unix/rlm_unix.c
index a8f775b146a9aad7414b52c8e90aabcbae7412b9..a815607ba729ca6cb06d4bc89eba3ef3d4ec6ab5 100644 (file)
--- a/src/modules/rlm_unix/rlm_unix.c
+++ b/src/modules/rlm_unix/rlm_unix.c
@@ -56,7 +56,7 @@ typedef struct {
 } rlm_unix_t;
 
 static const CONF_PARSER module_config[] = {
-       { FR_CONF_OFFSET("radwtmp", FR_TYPE_FILE_OUTPUT | FR_TYPE_REQUIRED, rlm_unix_t, radwtmp), .dflt = "NULL" },
+       { FR_CONF_OFFSET("radwtmp", FR_TYPE_FILE_OUTPUT | FR_TYPE_REQUIRED, rlm_unix_t, radwtmp) },
        CONF_PARSER_TERMINATOR
 };