<rdar://problem/5722972> Leopard needs to statically link SQLite

        * Configurations/Base.xcconfig: Always have a header search path for WebCoreSQLite3.
        * Configurations/DebugRelease.xcconfig: Ditto.
        * Configurations/WebCore.xcconfig: Always link against WebCoreSQLite3.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@29973 268f45cc-cd09-0410-ab3c-d52691b4dbfc