Building lightweight (somewhat statically linked) smbclient executable

build-smbclient-static.sh

```
# This won't build a *complete* statically linked smbclient exe, but it will do better ... :/
$ ./configure --without-winbind \
  --without-ldap \
  --without-ads \
  --disable-cups \
  --without-quotas \
  --disable-avahi \
  --without-syslog \
  --without-pam \
  --disable-pthreadpool \
  --without-acl-support \
  --without-automount \
  --without-pie \
  --nopyc \
  --nopyo \
  --hostcc=musl-gcc \
  --disable-python \
  --without-ad-dc \
  --disable-fault-handling \
  --without-libunwind \
  --disable-iprint \
  --without-gettext \
  --disable-python \
  --without-json \
  --with-iconv \
  --without-libarchive \
  --with-static-modules=ALL \
  --without-systemd \
  --disable-cephfs \
  --disable-glusterfs \
  --without-ads \
  --without-winbind \
  --without-ldap \
  --disable-cups \
  --disable-iprint \
  --without-pam \
  --disable-avahi \
  --disable-tdb-mutex-locking \
  --without-gpgme \
  --hostcc=musl-gcc \
  CC=musl-gcc \
  LDFLAGS=-static
```