gccrs: expand: Fix formatting for "macro not found" error

gcc/rust/ChangeLog:

	* expand/rust-macro-expand.h (struct MacroExpander): Nitpick: fix
	formatting of emitted error.

diff --git a/gcc/rust/expand/rust-macro-expand.h b/gcc/rust/expand/rust-macro-expand.h
index f18e8e24a1d34dbc4d5fb6a45d048a5a49b18473..896cdc6dcc8d4eba6045536e44e8fddd582041eb 100644 (file)
--- a/gcc/rust/expand/rust-macro-expand.h
+++ b/gcc/rust/expand/rust-macro-expand.h
@@ -414,7 +414,7 @@ struct MacroExpander
       = mappings->lookup_derive_proc_macro_invocation (path);
     if (!macro.has_value ())
       {
-       rust_error_at (path.get_locus (), "Macro not found");
+       rust_error_at (path.get_locus (), "macro not found");
        return AST::Fragment::create_error ();
       }
 
@@ -437,7 +437,7 @@ struct MacroExpander
       = mappings->lookup_bang_proc_macro_invocation (invocation);
     if (!macro.has_value ())
       {
-       rust_error_at (invocation.get_locus (), "Macro not found");
+       rust_error_at (invocation.get_locus (), "macro not found");
        return AST::Fragment::create_error ();
       }
 
@@ -459,7 +459,7 @@ struct MacroExpander
       = mappings->lookup_attribute_proc_macro_invocation (path);
     if (!macro.has_value ())
       {
-       rust_error_at (path.get_locus (), "Macro not found");
+       rust_error_at (path.get_locus (), "macro not found");
        return AST::Fragment::create_error ();
       }