Add fabsf to the list of inlined functions; otherwise
Mips16 will try and create a stub for it and this will
result in a link error because that function does not exist in libc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192223 91177308-0d34-0410-b5e6-96231b3b80d8