Adapt t0050 to output from ipfs2

The ouput from "ipfs block" changed in ipfs2.
With the change in this commit, this output change doesn't
prevent the test to pass.

Test t0050 now passes on my Linux machine.

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

test/t0050-block.sh

@@ -20,7 +20,7 @@ test_expect_success "'ipfs block put' succeeds" '
 
 test_expect_success "'ipfs block put' output looks good" '
 	HASH="QmRKqGMAM6EZngbpjSqrvYzq5Qd8b1bSWymjSUY9zQSNDk" &&
-	echo "added as '\''$HASH'\''" >expected_out &&
+	echo "$HASH" >expected_out &&
 	test_cmp expected_out actual_out
 '