LISA15
Bugfixes
- fix JSON output in xport with legend and gprint blocks
- fix parse_time mutex unlocking in the error case
- don't crash on invalid variable names in CDEF
- add mutex locking in rrdc_fetch
- fix buffer overflow in rrd_restore
- shorten test precision to 7 digits ...
- never exit from a library function
- buffer overflow in rrd_restore.c fixed #669