Add watchpoint support for Linux on 64-bit host.

llvm-svn: 181341
diff --git a/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp b/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp
index cefacc3..a33470b 100644
--- a/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp
+++ b/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp
@@ -221,6 +221,9 @@
     case eBreakpointMessage:
         str = "eBreakpointMessage";
         break;
+    case eWatchpointMessage:
+        str = "eWatchpointMessage";
+        break;
     case eCrashMessage:
         str = "eCrashMessage";
         break;