Change back sed command

Author: aumetra

packages/crypto/testdata/extract_sig_gen.sh

@@ -37,8 +37,7 @@ HASH="$3"
 [ -z "$HASH" ] && HASH="SHA-256"
 
 cat $SIGGEN |
-  sed 's/
-//' |
+  sed 's/^M//' |
   sed -n -E "/^\[$CURVE,$HASH\]/,/^\[/{s/\[$CURVE,$HASH\]/\[/;s/^Msg = *([^ ]*)/  {\n    \"message\": \"\1\",/;/^Qx =/{N;s/^Qx = *([^ ]*)\nQy = *([^ ]*)/    \"pubkey\": \"04\1\2\",/};/^R =/{N;s/^R = *([^ ]*)\nS = *([^ ]*)/    \"signature\": \"\1\2\"\n\  },/};s/^\[.*\]/\]/;p}" |
   grep -E '[[{}"]|]' |
   tac |