Fix box/tree_misc.test.lua on 32-bit

src/box/memtx_rtree.c

@@ -324,7 +324,7 @@ memtx_rtree_index_new(struct memtx_engine *memtx, struct index_def *def)
 	if (def->opts.dimension < 1 ||
 	    def->opts.dimension > RTREE_MAX_DIMENSION) {
 		diag_set(UnsupportedIndexFeature, def,
-			 tt_sprintf("dimension (%u): must belong to "
+			 tt_sprintf("dimension (%lld): must belong to "
 				    "range [%u, %u]", def->opts.dimension,
 				    1, RTREE_MAX_DIMENSION));
 		return NULL;