build: link error building on Fedora 32

[fanquake]

Issue and Steps to Reproduce

Setup following the Fedora build instructions.

docker run -it --rm fedora:32

# cat /etc/fedora-release 
Fedora release 32 (Thirty Two)

# uname -a
Linux e849d0005e50 4.19.76-linuxkit #1 SMP Thu Oct 17 19:31:58 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

dnf update -y
dnf groupinstall -y 'C Development Tools and Libraries' 'Development Tools'
dnf install -y \
                clang \
                gettext \
                git \
                gmp-devel \
                libsq3-devel \
                python3-devel \
                python3-pip \
                python3-setuptools \
                net-tools \
                valgrind \
                wget \
                zlib-devel \
		libsodium-devel
dnf clean all

pip install mako

git clone https://github.com/ElementsProject/lightning.git
cd lightning
./configure
make

cc   -Og  bitcoin/chainparams.o plugins/pay.o plugins/libplugin.o bitcoin/base58.o bitcoin/pubkey.o bitcoin/pullpush.o bitcoin/script.o bitcoin/shadouble.o bitcoin/short_channel_id.o bitcoin/signature.o bitcoin/tx.o bitcoin/varint.o common/amount.o common/base32.o common/bech32.o common/bech32_util.o common/bigsize.o common/bolt11.o common/daemon.o common/features.o common/hash_u5.o common/json.o common/json_helpers.o common/json_stream.o common/json_tok.o common/memleak.o common/node_id.o common/param.o common/pseudorand.o common/type_to_string.o common/utils.o common/version.o common/wireaddr.o wire/fromwire.o wire/towire.o ccan-asort.o ccan-autodata.o ccan-bitmap.o ccan-bitops.o ccan-breakpoint.o ccan-crc32c.o ccan-crypto-hmac.o ccan-crypto-hkdf.o ccan-crypto-ripemd160.o ccan-crypto-sha256.o ccan-crypto-shachain.o ccan-crypto-siphash24.o ccan-err.o ccan-fdpass.o ccan-htable.o ccan-ilog.o ccan-io-io.o ccan-intmap.o ccan-io-poll.o ccan-io-fdpass.o ccan-isaac.o ccan-isaac64.o ccan-json_escape.o ccan-json_out.o ccan-list.o ccan-mem.o ccan-membuf.o ccan-noerr.o ccan-opt-helpers.o ccan-opt-parse.o ccan-opt-usage.o ccan-opt.o ccan-pipecmd.o ccan-ptr_valid.o ccan-rbuf.o ccan-read_write_all.o ccan-str-base32.o ccan-str-hex.o ccan-str.o ccan-strmap.o ccan-take.o ccan-tal-grab_file.o ccan-tal-link.o ccan-tal-path.o ccan-tal-str.o ccan-tal.o ccan-time.o ccan-timer.o ccan-utf8.o  -Lexternal -lwallycore -lsecp256k1 -ljsmn -lbacktrace -L/usr/local/lib -lm -lgmp -lsqlite3 -lz  -lsodium -o plugins/pay
/usr/bin/ld: common/utils.o:(.bss+0x0): multiple definition of `chainparams'; plugins/libplugin.o:(.bss+0x8): first defined here
collect2: error: ld returned 1 exit status
make: *** [Makefile:408: plugins/pay] Error 1

[cdecker]

Paging our resident Makefile expert Dr. @rustyrussell :-)