sys-boot/os-prober: fix doexe warning

Thanks to Peter-Levine for fix

Closes: https://github.com/gentoo/gentoo/pull/20109
Package-Manager: Portage-3.0.17, Repoman-3.0.2
Signed-off-by: Ben Kohler <bkohler@gentoo.org>

sys-boot/os-prober/os-prober-1.78.ebuild

@@ -68,7 +68,9 @@ src_install() {
 		exeinto /usr/lib/${dir}
 		doexe ${dir}/common/*
 		if [[ -d ${dir}/${debarch} ]]; then
-			doexe ${dir}/${debarch}/*
+			for exe in ${dir}/${debarch}/*; do
+				[[ ! -d "${exe}" ]] && doexe "${exe}"
+			done
 		fi
 		if [[ -d ${dir}/${debarch}/efi ]]; then
 			exeinto /usr/lib/${dir}/efi