Fixes level toggling for logger set levels since it was reversed

(closes issue ASTERISK-17850)
Reported by: Luke H
Tested by: jrose, Luke H
  
Review: https://reviewboard.asterisk.org/r/1244/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@322069 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/logger.h

@@ -98,7 +98,10 @@ void ast_console_puts_mutable(const char *string, int level);
 void ast_console_toggle_mute(int fd, int silent);
 
 /*!
- * \since 1.6.1
+ * \brief enables or disables logging of a specified level to the console
+ * fd specifies the index of the console receiving the level change
+ * level specifies the index of the logging level being toggled
+ * state indicates whether logging will be on or off (0 for off, 1 for on)
  */
 void ast_console_toggle_loglevel(int fd, int level, int state);