Made all other "operator bool"s explicit and ensured

that all clients use them explicitly.  This will hopefully
prevent any future confusion where things get cast to types
we don't expect.

<rdar://problem/15146458>

llvm-svn: 191984

lldb/source/API/SBModuleSpec.cpp

@@ -44,7 +44,7 @@ SBModuleSpec::~SBModuleSpec ()
 bool
 SBModuleSpec::IsValid () const
 {
-    return *m_opaque_ap;
+    return m_opaque_ap->operator bool();
 }
 
 void