c36ea69 [wallet] Make sure pindex is non-null before possibly referencing in LogPrintf call. (Karl-Johan Alm)
Tree-SHA512: a14c9f3e1228bca91977bea821c56a377d80889b41d250050c9be67aa93e460319a7cf1d4b63ee40f23b5a34159590f0e3fe15dc88698dc694c0c8098bd2db4d
Backport of Core PR 10265
https://github.com/bitcoin/bitcoin/pull/10265/files
Also includes re-adding a code block because it conflicts with every single backport in this function.