package/smcroute: bump to version 2.5.6

https://github.com/troglobit/smcroute/releases/tag/2.5.6

Most important news from the ChangeLog:
  - Batch mode supoprt for smcroutectl
  - Fix strange behavior when joining/leaving the same group
  - Minor spelling checks of documentation

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Joachim Wiberg <troglobit@gmail.com>
[yann.morin.1998@free.fr: added news by Joachim]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/smcroute/smcroute.hash

@@ -1,5 +1,5 @@
-# Upstream .sha256 from GitHub
-sha256  2569cd97fa2047df14203a7144be53a1b32928cb460421a302bbcce381b42bc3  smcroute-2.5.5.tar.gz
+# Hash from https://github.com/troglobit/smcroute/releases/download/2.5.6/smcroute-2.5.6.tar.gz.sha256
+sha256  0be38f617e322daafaa941c02423239f5c117b940cf0f45bacadb6733c4b3916  smcroute-2.5.6.tar.gz
 
 # Locally generated
 sha256  ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  COPYING

package/smcroute/smcroute.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SMCROUTE_VERSION = 2.5.5
+SMCROUTE_VERSION = 2.5.6
 SMCROUTE_SITE = https://github.com/troglobit/smcroute/releases/download/$(SMCROUTE_VERSION)
 SMCROUTE_LICENSE = GPL-2.0+
 SMCROUTE_LICENSE_FILES = COPYING