Fixed a problem where the expression parser would
give up if it couldn't find the address for the
first symbol it found with a particular name and
type.

<rdar://problem/13748253>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@180764 91177308-0d34-0410-b5e6-96231b3b80d8