abuild: fix circular dependency for symlink deps

The package should not have itself as dependency.

abuild.in

@@ -1210,14 +1210,17 @@ scan_symlink_targets() {
 	local symfile= targetpath=
 	cd "$datadir"
 	for symfile in "$pkgbasedir"/.control.*/.symlinks; do
-		[ -e "$symfile" ] || continue
+		local d="${symfile%/.symlinks}"
+		if ! [ -e "$symfile" ] || [ "$d" = "$dir" ]; then
+			continue
+		fi
+
 		while read symlink target; do
 			if [ "${target#/}" = "$target" ]; then
 				target="${symlink%/*}/$target"
 			fi
 			targetpath="$datadir"/$(normalize_path "$target")
 			if [ -e "$targetpath" ] || [ -L "$targetpath" ]; then
-				local d="${symfile%/.symlinks}"
 				echo "$name=$pkgver-r$pkgrel" \
 					>> "$d"/.symlinks-needs
 			fi