package/mksh: update to version 57

Signed-off-by: Pascal de Bruijn <p.debruijn@unilogic.nl>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/mksh/mksh.hash

@@ -1,4 +1,2 @@
 # From http://www.mirbsd.org/mksh.htm#build
-md5 718c44251b52c48e7312903273e263f4  mksh-R55.tgz
-# Calculated based on the hash above
-sha256 ced42cb4a181d97d52d98009eed753bd553f7c34e6991d404f9a8dcb45c35a57  mksh-R55.tgz
+sha256 3d101154182d52ae54ef26e1360c95bc89c929d28859d378cc1c84f3439dbe75  mksh-R57.tgz

package/mksh/mksh.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MKSH_VERSION = 55
+MKSH_VERSION = 57
 MKSH_SOURCE = mksh-R$(MKSH_VERSION).tgz
 MKSH_SITE = https://www.mirbsd.org/MirOS/dist/mir/mksh
 # For MirOS License see https://www.mirbsd.org/TaC-mksh.txt