package/haveged: fix legal-info

Add hash for COPYING file

Fixes:

$: make haveged-legal-info
 >>> haveged 1.9.4 Collecting legal info
 ERROR: No hash found for COPYING

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 0ae29b98d1293b0e89fa2f5686fe743af1f45c34)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/haveged/haveged.hash

@@ -1,2 +1,4 @@
 # From http://www.issihosts.com/haveged/verify/haveged-1.9.1.sha1
 sha1	ab7234b7f57dbb7d500a5ab3cbf0494715ce6499	haveged-1.9.1.tar.gz
+# Locally calculated
+sha256  8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903	COPYING