If ThreadPlanCallFunction hasn't set its notion of the "real stop info" yet, just return the current PrivateStopInfo.

Also renamed a few more places where we were using StopReason in functions that were returning StopInfo's.

<rdar://problem/14042692>

llvm-svn: 183177
diff --git a/lldb/source/Target/ThreadPlanStepOverRange.cpp b/lldb/source/Target/ThreadPlanStepOverRange.cpp
index 3381292..679ef46 100644
--- a/lldb/source/Target/ThreadPlanStepOverRange.cpp
+++ b/lldb/source/Target/ThreadPlanStepOverRange.cpp
@@ -300,7 +300,7 @@
     // unexplained breakpoint/crash.
     
     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP));
-    StopInfoSP stop_info_sp = GetPrivateStopReason();
+    StopInfoSP stop_info_sp = GetPrivateStopInfo ();
     bool return_value;
     
     if (stop_info_sp)