Add GetxPacketSupported to test if the 'x' packet is supported.
<rdar://problem/16032150> 

llvm-svn: 208052
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
index 8de845f..4293e8b 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
@@ -283,6 +283,9 @@
     GetpPacketSupported (lldb::tid_t tid);
 
     bool
+    GetxPacketSupported ();
+
+    bool
     GetVAttachOrWaitSupported ();
     
     bool
@@ -544,6 +547,7 @@
     lldb_private::LazyBool m_attach_or_wait_reply;
     lldb_private::LazyBool m_prepare_for_reg_writing_reply;
     lldb_private::LazyBool m_supports_p;
+    lldb_private::LazyBool m_supports_x;
     lldb_private::LazyBool m_avoid_g_packets;
     lldb_private::LazyBool m_supports_QSaveRegisterState;
     lldb_private::LazyBool m_supports_qXfer_auxv_read;