C++: Add change-note.

MathiasVP · MathiasVP · commit 834e35f1924e · 2021-03-17T16:26:15.000+01:00
diff --git a/cpp/change-notes/2021-03-17-av-rule-79.md b/cpp/change-notes/2021-03-17-av-rule-79.md
@@ -0,0 +1,2 @@
+lgtm,codescanning
+* The 'Resource not released in destructor' (cpp/resource-not-released-in-destructor) query has been improved to recognize more releases of resources.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+lgtm,codescanning`
	`2`	`+* The 'Resource not released in destructor' (cpp/resource-not-released-in-destructor) query has been improved to recognize more releases of resources.`