httping: add license hash

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 1e2ca0455e6fddb86b75d2b1422f228aedb5533c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/httping/httping.hash

@@ -1,2 +1,3 @@
 # Locally calculated
 sha256	3e895a0a6d7bd79de25a255a1376d4da88eb09c34efdd0476ab5a907e75bfaf8	httping-2.5.tgz
+sha256  c5db2e5b9a692fcdf2bd370f1533529063fbcf8947a8f5ee9d4b050a14e0566d	license.txt