Paul's Busybox sm-jb-mr1

/home/martin/SchutzhundAOKP/out/target/product/ace/obj/EXECUTABLES/busybox_intermediates/networking/ping.o external/busybox/networking/ping.c
external/busybox/networking/ping.c:159:1: error: conflicting types for 'create_icmp_socket'
 create_icmp_socket(void)
 ^
In file included from external/busybox/networking/ping.c:30:0:
external/busybox/include/libbb.h:1135:5: note: previous declaration of 'create_icmp_socket' was here
 int create_icmp_socket(void) FAST_FUNC;
     ^
make: *** [/home/martin/SchutzhundAOKP/out/target/product/ace/obj/EXECUTABLES/busybox_intermediates/networking/ping.o] Error 1