Removed explicit NULL checks for shared pointers
and instead made us use implicit casts to bool.
This generated a warning in C++11.

<rdar://problem/11930775>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@161559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Expression/ClangExpressionDeclMap.cpp b/source/Expression/ClangExpressionDeclMap.cpp
index e4c5a17..68467a7 100644
--- a/source/Expression/ClangExpressionDeclMap.cpp
+++ b/source/Expression/ClangExpressionDeclMap.cpp
@@ -2657,7 +2657,7 @@
                                                               err);
             
             // If we found a variable in scope, no need to pull up function names
-            if (err.Success() && var != NULL)
+            if (err.Success() && var)
             {
                 AddOneVariable(context, var, valobj, current_id);
                 context.m_found.variable = true;