[BUG] the "connslots" keyword was matched as "connlots"

This bug has been lying there since the patch got merged.
diff --git a/src/backend.c b/src/backend.c
index ed291da..73fb112 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -2100,7 +2100,7 @@
 /* Note: must not be declared <const> as its list will be overwritten */
 static struct acl_kw_list acl_kws = {{ },{
 	{ "nbsrv",    acl_parse_int,   acl_fetch_nbsrv,     acl_match_int, ACL_USE_NOTHING },
-	{ "connlots", acl_parse_int,   acl_fetch_connslots, acl_match_int, ACL_USE_NOTHING },
+	{ "connslots", acl_parse_int,   acl_fetch_connslots, acl_match_int, ACL_USE_NOTHING },
 	{ NULL, NULL, NULL, NULL },
 }};