Rename objc_lifetime -> objc_ownership, and modify diagnostics to talk about 'ownership', not 'lifetime'.

rdar://9477613.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133779 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/JumpDiagnostics.cpp b/lib/Sema/JumpDiagnostics.cpp
index 007d755..8cabc92 100644
--- a/lib/Sema/JumpDiagnostics.cpp
+++ b/lib/Sema/JumpDiagnostics.cpp
@@ -138,8 +138,8 @@
 
       case Qualifiers::OCL_Strong:
       case Qualifiers::OCL_Weak:
-        return ScopePair(diag::note_protected_by_objc_lifetime,
-                         diag::note_exits_objc_lifetime);
+        return ScopePair(diag::note_protected_by_objc_ownership,
+                         diag::note_exits_objc_ownership);
       }
     }