- clean up target output strings a bit

- open_file_from_path() now uses logging feature
- open_file_from_path() no longer uses paths for anything but "r" mode. Fixes 
  bug  waiting to happen.


git-svn-id: svn://svn.berlios.de/openocd/trunk@389 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/log.c

@@ -74,7 +74,7 @@ static void log_puts(enum log_levels level, const char *file, int line, const ch
 	if (f != NULL)
 		file = f + 1;
 
-	if (strchr(buffer, '\n')!=NULL)
+	if (strchr(string, '\n')!=NULL)
 	{
 		if (debug_level >= LOG_DEBUG)
 		{