Fix yacc conflict (asmfile/lastline/lines/line rules)

src/asm/asmy.y

@@ -497,22 +497,16 @@ void	if_skip_to_endc( void )
 
 %%
 
-asmfile : lines lastline;
-
-lastline : /* empty */
-	| line {
-		nLineNo += 1;
-		nTotalLines += 1;
-	};
+asmfile : lines;
 
+/* Note: The lexer add '\n' at the end of the input */
 lines : /* empty */
 	| lines line '\n' {
 		nLineNo += 1;
 		nTotalLines += 1;
 	};
 
-line : /* empty */
-	| label
+line : label
 	| label cpu_command
 	| label macro
 	| label simple_pseudoop