K 10
svn:author
V 7
zeising
K 8
svn:date
V 27
2020-04-01T15:32:13.370014Z
K 7
svn:log
V 234
databases/rrdtool: fix segmentation fault

Fix a segmentation fault in rrd_graph:print_calc when vidx is -1 on GF_VRULE
Pull in upstream patch to fix the issue.
This fixes upstream bug #1078

PR:		244808
Submitted by:	John W. O'Brien

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