Fix 'break' emulation. Inside "for local x in $(list)", changing 'list' does

not terminate the loop.


[SVN r29732]

tools/build

@@ -1 +1 @@
-Subproject commit db8403c38a953b01174875b8cda66ebfceb0e964
+Subproject commit 33bbd474c120492b5eda30a5ccc66c5eb6cab088