scripts/download.pl: fix sha256 hash command (#21931)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48809 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/scripts/download.pl b/scripts/download.pl
index 25c73fb..20f38f1 100755 (executable)
--- a/scripts/download.pl
+++ b/scripts/download.pl
@@ -118,7 +118,7 @@ sub download
                copy($link, "$target/$filename.dl");
 
                $hash_cmd and do {
-                       if (system("$hash_cmd '$target/$filename.dl' > '$target/$filename.hash'")) {
+                       if (system("cat '$target/$filename.dl' | $hash_cmd > '$target/$filename.hash'")) {
                                print("Failed to generate hash for $filename\n");
                                return;
                        }