[driver] Do not add -kext to the link command line when compiling with 
-fapple-kext.
Fixes <rdar://problem/10013310>. Reverts <rdar://problem/7809940>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138564 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed