Add help string for 'frame variable' to link to 'watchpoint set' which allows for using an expression to specify the address to watch for.

rdar://problem/10703290


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@149917 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectFrame.cpp b/source/Commands/CommandObjectFrame.cpp
index bb8313c..cec5090 100644
--- a/source/Commands/CommandObjectFrame.cpp
+++ b/source/Commands/CommandObjectFrame.cpp
@@ -332,7 +332,9 @@
                        "Children of aggregate variables can be specified such as "
                        "'var->child.x'. "
                        "You can choose to watch a variable with the '-w' option. "
-                       "Note that hardware resources for watching are often limited.",
+                       "Note that hardware resources for watching are often limited. "
+                       "See alo 'watchpoint set' where you can use an expression to "
+                       "specify the address to watch for.",
                        NULL,
                        eFlagProcessMustBeLaunched | eFlagProcessMustBePaused),
         m_option_group (interpreter),