Recommended update for libssh2_org

This recommended update for libssh2_org fixes the following issues:

- fix: libssh2-1-1.4.3-16.1 segmentation fault when called by libcurl (boo#974691)

Fixed bugs
bnc#974691
libssh2-1-1.4.3-16.1 segmentation fault when called by libcurl
Selected Binaries
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