tree 64b2171a101def45fcc1af7b5d00c4f5e766eb25
parent 24fe764c8a14bd519826e7e9af01edff59ab6be3
author Tom Tromey <tom@tromey.com> 1641660327 -0700
committer Tom Tromey <tom@tromey.com> 1641660327 -0700

Add explicit check for nullptr to target_announce_attach

Lancelot pointed out that target_announce_attach was missing an
explicit check against nullptr.  This patch adds it.