Log variables moved to log_manager.h

The log manager variables lm_enabled_log_files_bitmask, log_ses_count
and tls_log_info that earlier were declared separately in every
c-file are now declared in the log_manager.h header.

server/core/config.c

@@ -82,11 +82,6 @@
 /** According to the PCRE manual, this should be a multiple of 3 */
 #define MAXSCALE_PCRE_BUFSZ 24
 
-/** Defined in log_manager.cc */
-extern int            lm_enabled_logfiles_bitmask;
-extern size_t         log_ses_count[];
-extern __thread log_info_t tls_log_info;
-
 extern int setipaddress(struct in_addr *, char *);
 static	int	process_config_context(CONFIG_CONTEXT	*);
 static	int	process_config_update(CONFIG_CONTEXT *);