This update for busybox fixes the following issues:
next_token function of editors/awk.c (bsc#1217586).evaluate() function of editors/awk.c (bsc#1271544).awk_sub() function of editors/awk.c (bsc#1271545).ifsbreakup() function of shell/ash.c (bsc#1271547).evalcommand() function of shell/ash.c (bsc#1271548).