Update clippy_lints/src/manual_ignore_case_cmp.rs

Co-authored-by: Fridtjof Stoldt <[email protected]>

Author: nyurik

clippy_lints/src/manual_ignore_case_cmp.rs

@@ -111,15 +111,16 @@ impl LateLintPass<'_> for ManualIgnoreCaseCmp {
                 expr.span,
                 "manual case-insensitive ASCII comparison",
                 |diag| {
+                    let mut app = Applicability::MachineApplicable;
                     diag.span_suggestion_verbose(
                         expr.span,
                         "consider using `.eq_ignore_ascii_case()` instead",
                         format!(
                             "{neg}{}.eq_ignore_ascii_case({deref}{})",
-                            snippet(cx, left_span, "_"),
-                            snippet(cx, right_span, "_")
+                            snippet_with_applicability(cx, left_span, "_", &mut app),
+                            snippet_with_applicability(cx, right_span, "_", &mut app)
                         ),
-                        Applicability::MachineApplicable,
+                        app
                     );
                 },
             );