use double quotes for E0761

Author: 0xPoe

compiler/rustc_expand/src/module.rs

@@ -269,7 +269,7 @@ impl ModError<'_> {
                     diag,
                     span,
                     E0761,
-                    "file for module `{}` found at both {} and {}",
+                    "file for module `{}` found at both \"{}\" and \"{}\"",
                     ident,
                     default_path_short,
                     secondary_path_short,

src/test/ui/modules_and_files_visibility/mod_file_disambig.stderr

@@ -1,4 +1,4 @@
-error[E0761]: file for module `mod_file_disambig_aux` found at both mod_file_disambig_aux.rs and mod_file_disambig_aux/mod.rs
+error[E0761]: file for module `mod_file_disambig_aux` found at both "mod_file_disambig_aux.rs" and "mod_file_disambig_aux/mod.rs"
   --> $DIR/mod_file_disambig.rs:1:1
    |
 LL | mod mod_file_disambig_aux;