Fix a memory leak in the scanner that occurs when we're missing a closing quote

before an immediate EOF.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@4273 7894878c-1315-0410-8ee3-d5d059ff63e0

lib/conf-lex.l

@@ -276,6 +276,7 @@ ignore{BLANK}*	{
 <<EOF>>		{
 		  strcpy(sensors_lex_error,
 			"Reached end-of-file without a matching double quote.");
+		  buffer_free();
 		  BEGIN(MIDDLE);
 		  return ERROR;
 		}