C++: Exclude results in macro expansions from 'cpp/compare-where-assign-meant'.

cpp/ql/src/Likely Bugs/Likely Typos/CompareWhereAssignMeant.ql

@@ -16,6 +16,7 @@ import cpp
 from ExprInVoidContext op
 where
   not op.isUnevaluated() and
+  not inMacroExpansion(op) and
   (
     op instanceof EQExpr
     or