Allow -soname arg in addition to -soname=arg
Allow -soname arg in addition to -soname=arg

Differential Revision: http://reviews.llvm.org/D13387


git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@249146 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld