C++: Changelog entries for two new queries

Author: jbj

change-notes/1.19/analysis-cpp.md

@@ -6,7 +6,8 @@
 
 | **Query**                   | **Tags**  | **Purpose**                                                        |
 |-----------------------------|-----------|--------------------------------------------------------------------|
-| *@name of query (Query ID)* | *Tags*    |*Aim of the new query and whether it is enabled by default or not*  |
+| Cast between HRESULT and a Boolean type (`cpp/hresult-boolean-conversion`) | external/cwe/cwe-253 | Finds logic errors caused by mistakenly treating the Windows `HRESULT` type as a Boolean instead of testing it with the appropriate macros. Enabled by default. |
+| Setting a DACL to `NULL` in a `SECURITY_DESCRIPTOR` (`cpp/unsafe-dacl-security-descriptor`) | external/cwe/cwe-732 | This query finds code that creates world-writable objects on Windows by setting their DACL to `NULL`. Enabled by default. |
 
 ## Changes to existing queries