s3:loadparm: fix a check that was accidentially an assignment in lp_servicebynum()

diff --git a/source3/param/loadparm.c b/source3/param/loadparm.c
index 875aa6ed755622cf059de1221efe2791279e3a34..e1c5aab2536baa20ac8f429fd7b293ded39868c1 100644 (file)
--- a/source3/param/loadparm.c
+++ b/source3/param/loadparm.c
@@ -6421,7 +6421,7 @@ struct loadparm_service *lp_service(const char *pszServiceName)
 
 struct loadparm_service *lp_servicebynum(int snum)
 {
-       if (snum = -1 || !LP_SNUM_OK(snum)) {
+       if ((snum == -1) || !LP_SNUM_OK(snum)) {
                return NULL;
        }
        return ServicePtrs[snum];