Replace pointer to C-array of PropertyDefinition with llvm::ArrayRef

Differential Revision: https://reviews.llvm.org/D52572

llvm-svn: 343181
diff --git a/lldb/source/Core/Debugger.cpp b/lldb/source/Core/Debugger.cpp
index 1aeec7b..b7bf76b 100644
--- a/lldb/source/Core/Debugger.cpp
+++ b/lldb/source/Core/Debugger.cpp
@@ -278,8 +278,7 @@
     {"frame-format-unique", OptionValue::eTypeFormatEntity, true, 0,
      DEFAULT_FRAME_FORMAT_NO_ARGS, {},
      "The default frame format string to use when displaying stack frame"
-     "information for threads from thread backtrace unique."},
-    {nullptr, OptionValue::eTypeInvalid, true, 0, nullptr, {}, nullptr}};
+     "information for threads from thread backtrace unique."}};
 
 enum {
   ePropertyAutoConfirm = 0,