Make borland really work under cygwin, especially when borland install path

has spaces.

Patch from Malcolm Cifuentes.


[SVN r29610]

tools/build

@@ -1 +1 @@
-Subproject commit 2f97fb3eb7cb6f0c50c8d8463f2edd45ca87c7dc
+Subproject commit 46f28253001dfda31122e5cf9ccf93695b444070