logger: start session & log index at 100

To avoid leading zeros, as the events interface does not support that (yet)

src/modules/logger/logger.cpp

@@ -1290,7 +1290,7 @@ int Logger::get_log_file_name(LogType type, char *file_name, size_t file_name_si
 			return -1;
 		}
 
-		uint16_t file_number = 1; // start with file log001
+		uint16_t file_number = 100; // start with file log100
 
 		/* look for the next file that does not exist */
 		while (file_number <= MAX_NO_LOGFILE) {

src/modules/logger/util.cpp

@@ -138,7 +138,7 @@ int check_free_space(const char *log_root_dir, int32_t max_log_dirs_to_keep, orb
 
 		// There are 2 directory naming schemes: sess<i> or <year>-<month>-<day>.
 		// For both we find the oldest and then remove the one which has more directories.
-		int year_min = 10000, month_min = 99, day_min = 99, sess_idx_min = 99999999, sess_idx_max = 0;
+		int year_min = 10000, month_min = 99, day_min = 99, sess_idx_min = 99999999, sess_idx_max = 99;
 
 		while ((result = readdir(dp))) {
 			int year, month, day, sess_idx;