[patch] Forward LD_PRELOAD to tests

[Rafael Espíndola]

With this patch I can use asan to test the gold plugin without having
to build gold itself with asan.

Cheers,
Rafael
-------------- next part --------------
A non-text attachment was scrubbed...
Name: t.patch
Type: text/x-patch
Size: 493 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20141103/cd7851bc/attachment.bin>