CHANGELOG entry for #1077

This was reported, with a correct patch, back in December 2017, and I
rediscovered the issue and came up with the same patch in r37532 in
November 2018. Full credit should go to Seth Randall.

CHANGELOG

@@ -1,5 +1,8 @@
 #Nmap Changelog ($Id$); -*-text-*-
 
+o [NSE][GH#1077] Fix a crash caused by a double-free of libssh2 session data
+  when running SSH NSE scripts against non-SSH services. [Seth Randall]
+
 o [NSE][GH#1565] Updates the execution rule of the mongodb scripts to be able
   to run on alternate ports. [Paulino Calderon]