main/findutils: fix doc conflict again

closes #14157

main/findutils/APKBUILD

@@ -3,7 +3,7 @@
 # Maintainer: Michael Mason <ms13sp@gmail.com>
 pkgname=findutils
 pkgver=4.9.0
-pkgrel=1
+pkgrel=2
 pkgdesc="GNU utilities for finding files"
 url="https://www.gnu.org/software/findutils/"
 arch="all"
@@ -47,6 +47,7 @@ _locate_doc() {
 	install -Dm644 "$builddir"/locate.1 \
 		-t "$pkgdir"/usr/share/man/man1
 	default_doc
+	install_if="docs $pkgname-locate=$pkgver-r$pkgrel"
 }
 
 sha512sums="