Cleaned a few build related things up:

Added a virtual destructor to ClangUtilityFunction with a body to it cleans
itself up.

Moved our SharingPtr into the lldb_private namespace to keep it easy to make
an exports file that exports only what is needed ("lldb::*").

llvm-svn: 114771
diff --git a/lldb/source/Expression/ClangUtilityFunction.cpp b/lldb/source/Expression/ClangUtilityFunction.cpp
index 310cac9..0080347 100644
--- a/lldb/source/Expression/ClangUtilityFunction.cpp
+++ b/lldb/source/Expression/ClangUtilityFunction.cpp
@@ -44,6 +44,10 @@
 {
 }
 
+ClangUtilityFunction::~ClangUtilityFunction ()
+{
+}
+
 //------------------------------------------------------------------
 /// Install the utility function into a process
 ///