Rust: Rename variable as suggested in review

Author: paldepind

rust/ql/lib/codeql/rust/internal/TypeInference.qll

@@ -229,9 +229,9 @@ module Consistency {
     t = CertainTypeInference::inferCertainType(n, path) and
     // Suppress the inconsistency if `n` is a self parameter and the type
     // mention for the self type has multiple types for a path.
-    not exists(ImplItemNode impl, TypePath path0 |
+    not exists(ImplItemNode impl, TypePath selfTypePath |
       n = impl.getAnAssocItem().(Function).getParamList().getSelfParam() and
-      strictcount(impl.(Impl).getSelfTy().(TypeMention).resolveTypeAt(path0)) > 1
+      strictcount(impl.(Impl).getSelfTy().(TypeMention).resolveTypeAt(selfTypePath)) > 1
     )
   }
 }