Change the NULL to a 0 since we need a uint32_t

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@163625 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectArgs.cpp b/source/Commands/CommandObjectArgs.cpp
index da54961..2ae91e1 100644
--- a/source/Commands/CommandObjectArgs.cpp
+++ b/source/Commands/CommandObjectArgs.cpp
@@ -266,6 +266,6 @@
 CommandObjectArgs::CommandOptions::g_option_table[] =
 {
     { LLDB_OPT_SET_1, false, "debug", 'g', no_argument, NULL, 0, eArgTypeNone, "Enable verbose debug logging of the expression parsing and evaluation."},
-    { 0, false, NULL, 0, 0, NULL, NULL, eArgTypeNone, NULL }
+    { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL }
 };