Add missing switch cases to silence warnings.

llvm-svn: 227931
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
index d1b8389..10af4cb 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
@@ -366,8 +366,8 @@
         case eWatchpointWrite:      return m_supports_z2;
         case eWatchpointRead:       return m_supports_z3;
         case eWatchpointReadWrite:  return m_supports_z4;
+        case eStoppointInvalid:     return false;
         }
-        return false;
     }
     uint8_t
     SendGDBStoppointTypePacket (GDBStoppointType type,   // Type of breakpoint or watchpoint