[uClibc] sed failure when building lrzsz

[J.C. Wren]

Ran across this including lrzsz

sed -ie "s/-lnsl//;" /home/BlueCat/BETA/programs/slimedr/uclibc/buildroot/
build_i386/lrzsz-0.12.20/src/Makefile
sed -ie "s~(#define ENABLE_SYSLOG.*)~/* \1 */~;" /home/BlueCat/BETA/programs/
slimedr/uclibc/buildroot/build_i386/lrzsz-0.12.20/config.h
sed: -e expression #1, char 38: Invalid reference \1 on `s' command's RHS
make: *** [/home/BlueCat/BETA/programs/slimedr/uclibc/buildroot/build_i386/
lrzsz-0.12.20/.configured] Error 1

	--jc