Workaround for VS2013-update2

cl.exe of VS2013 update2 overwrites memory.
It looks tls size is less than cl.exe expected.

We need to allocate more tls when load_dll is used
as well as load_native_dll.

Change-Id: I12b4fcd2270c01eb25e5681c11dc968b6745fa4e
1 file changed