mongodb: fix shell crash for stable with clang.

Closes #24805.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
jags: update homepage.

Looks like the new homepage is now http://mcmc-jags.sourceforge.net.

Closes #24801.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>