Fixed an issue where detection of vCont support wasn't being done correctly.

Fixed how the LLDBDisassembler computes and uses a target triple.

llvm-svn: 125617
diff --git a/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVM.h b/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVM.h
index 3d76670..515814d 100644
--- a/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVM.h
+++ b/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVM.h
@@ -102,6 +102,12 @@
     EnablePluginLogging (lldb_private::Stream *strm, lldb_private::Args &command);
 
 protected:
+    bool
+    IsValid() const
+    {
+        return m_disassembler != NULL;
+    }
+
     EDDisassemblerRef m_disassembler;
 };