In preparation for adding 'basenc' program.
Suggested in https://lists.gnu.org/r/coreutils/2018-11/msg00019.html .
* src/base64.c: Rename to src/basenc.c.
* src/local.mk: Update base*_SOURCES definitions.
* po/POTFILEs.in: Rename base64 to basenc.
# Package source files
-src/base64.c
src/basename.c
+src/basenc.c
src/cat.c
src/chcon.c
src/chgrp.c
src/blake2/blake2b-ref.c \
src/blake2/b2sum.c src/blake2/b2sum.h
+src_base64_SOURCES = src/basenc.c
src_base64_CPPFLAGS = -DBASE_TYPE=64 $(AM_CPPFLAGS)
-src_base32_SOURCES = src/base64.c
+src_base32_SOURCES = src/basenc.c
src_base32_CPPFLAGS = -DBASE_TYPE=32 $(AM_CPPFLAGS)
src_ginstall_CPPFLAGS = -DENABLE_MATCHPATHCON=1 $(AM_CPPFLAGS)