Add UCLIBC_HAS_{FULL,REENTRANT}_RPC config variables to the defconfig, so the sed invocation in uclibc.mk can set them to the proper values.
Courtesy Bernhard Reutner-Fischer GIT repository at http://repo.or.cz/w/buildroot.git Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>