Using LegacyVersion results in a warning, which causes the test suite to
fail. Add this warning to the list of ignored warnings.

exfatprogrs are new tools to use with new exfat FS driver in linux-lts
5.10 so exfat-utils are not needed now

fix missing one '-' for --libdir in ./configure

add provides and replaces for exfat-utils because linux-lts have new
driver for exfat FS and exfatprogs are tools to be used with this driver

exfat-utils (which are tools for previous exfat FS drivers) are
deprecated because old exfat FS driver is removed from linux-lts 5.10

We no longer need to and should not specify LONG_BIT