Derby-197: Add tip for Windows users to BUILDING.txt
Derby-197: Add tip for Windows users to BUILDING.txt

Committed for David Van Couvering <David.Vancouvering@sun.com>


git-svn-id: e32e6781feeb0a0de14883205950ae267a8dad4f@170837 13f79535-47bb-0310-9956-ffa450edef68

apache/derby,trejkaz/derby,apache/derby,trejkaz/derby,apache/derby,apache/derby,trejkaz/derby