Fix mispelled 'ling' Python property to be 'line' in
SBLineEntry and SBDeclaration.  Patch from Chris Willmore.
<rdar://problem/19054323> 


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@222592 91177308-0d34-0410-b5e6-96231b3b80d8