Update test/broadcast.jl

Author: odow

test/broadcast.jl

@@ -31,7 +31,7 @@ end
     @test y == 5
     # FIXME This should not allocate but I couldn't figure out where these
     #       allocations come from.
-    alloc_test_le(() -> MA.broadcast!!(+, a, b), 288)
+    alloc_test_le(() -> MA.broadcast!!(+, a, b), 336)
     alloc_test(() -> MA.broadcast!!(+, a, c), 0)
 end