igraph: Add reference to CVE-2018-20349

[Leonardo Taccari <leot%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Leonardo Taccari <leot%NetBSD.org@localhost>
Pushed By:	leot
Date:		Sat Dec 22 11:50:17 2018 +0100
Changeset:	dde66f71c17e63856a708a3764cd5f5c8b3b752d

Added Files:
	igraph/TODO

Log Message:
igraph: Add reference to CVE-2018-20349

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=dde66f71c17e63856a708a3764cd5f5c8b3b752d

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 igraph/TODO | 2 ++
 1 file changed, 2 insertions(+)

diffs:
diff --git a/igraph/TODO b/igraph/TODO
new file mode 100644
index 0000000000..e7c25b6844
--- /dev/null
+++ b/igraph/TODO
@@ -0,0 +1,2 @@
+This package has known vulnerabilities, please investigate and fix if possible:
+  CVE-2018-20349