Fix the wrong error message for "platform process info", i.e., with no pid(s) specified for the command.

llvm-svn: 131089
diff --git a/lldb/source/Commands/CommandObjectPlatform.cpp b/lldb/source/Commands/CommandObjectPlatform.cpp
index f9462f6..ecc24a6 100644
--- a/lldb/source/Commands/CommandObjectPlatform.cpp
+++ b/lldb/source/Commands/CommandObjectPlatform.cpp
@@ -831,8 +831,8 @@
             }
             else
             {
-                // Bad args
-                result.AppendError ("\"platform disconnect\" doesn't take any arguments");
+                // No args
+                result.AppendError ("one or more process id(s) must be specified");
                 result.SetStatus (eReturnStatusFailed);            
             }
         }