duktape: fix hash for license

Fixes:
http://autobuild.buildroot.net/results/4645456f715eccfce940a54e41a34a299adc152f
http://autobuild.buildroot.net/results/4ee6de3351c140bde4588252cebbf7cf9237e710

Signed-off-by: Asaf Kahlon <asafka7@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/duktape/duktape.hash

@@ -1,3 +1,3 @@
 # Locally computed:
 sha256	0df1c0a9d40bfae31733e5c44f0eabaeae59e0a2ebf7693ff68bbabd49aae331	duktape-v2.3.0.tar.gz
-sha256	5358498534dac625c89a69c10becf3dcc40f9af58e6b69ee358ebdf6934f49c6	LICENSE.txt
+sha256	9aabee442709a6e7652348b9617ae26d26da6b270c1f4b6fce4a1e746acb3df0	LICENSE.txt