C++: Add change-note.

MathiasVP · MathiasVP · commit a294fb07f570 · 2021-06-24T16:01:59.000+02:00
diff --git a/cpp/change-notes/2021-06-24-uncontrolled-arithmetic.md b/cpp/change-notes/2021-06-24-uncontrolled-arithmetic.md
@@ -0,0 +1,2 @@
+lgtm
+* The 'Uncontrolled data in arithmetic expression' (cpp/uncontrolled-arithmetic) query now recognizes more sources of randomness.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+lgtm`
	`2`	`+* The 'Uncontrolled data in arithmetic expression' (cpp/uncontrolled-arithmetic) query now recognizes more sources of randomness.`