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Remove unneded gotos in fielddcl

These gotos were added only to save some bytes in error handling.
These patch removes them and make the code cleaner.

--- a/cc1/decl.c

+++ b/cc1/decl.c

@@ -289,17 +289,16 @@

 {

 	Type *tp;

 	Symbol *sym;

-	char *err;

 	switch (yytoken) {

 	case SCLASS:

-		goto bad_storage;

+		error("storage class '%s' in struct/union field", yytext);

 	case IDEN: case TYPE: case TQUALIFIER:

 		tp = specifier(NULL);

 	case ';':

 		break;

 	default:

-		goto dcl_expected;

+		error("declaration expected");

 	}

 	if (yytoken != ';') {

@@ -311,14 +310,6 @@

 	expect(';');

 	return;

-

-bad_storage:

-	err = "storage class '%s' in struct/union field";

-	goto error;

-dcl_expected:

-	err = "declaration expected";

-error:

-	error(err, yytext);

 }

 static Type *