2009-06-17 Vladimir Serbinenko <phcoder@gmail.com>

Fix newline handling

	* include/grub/script_sh.h (grub_lexer_param): new field was_newline
	* script/sh/lexer.c (grub_script_lexer_init): initilaise was_newline
	(grub_script_yylex): don't segfault on unterminated script
	newline terminates command and variable

include/grub/script_sh.h

@@ -159,6 +159,9 @@ struct grub_lexer_param
 
   /* The token that is already parsed but not yet returned. */
   int tokenonhold;
+
+  /* Was the last token a newline? */
+  int was_newline;
 };
 
 /* State of the parser as passes to the parser.  */