e2fsprogs: fix static linking issues with libintl

Util-linux (and hence libuuid) links against libintl if
BR2_NEEDS_GETTEXT_IF_LOCALE, so e2fsprogs needs to link against it as when
when statically linking, otherwise the configure test for libuuid (and later
linking) fails.

Fixes:
http://autobuild.buildroot.net/results/833/8338a03028de9502be506a80bd947d80b3e50a49/
http://autobuild.buildroot.net/results/361/361aa2e47a7561ff6624829bdfcfe66ecaddc4a6/
http://autobuild.buildroot.net/results/4dc/4dc157bb9cd2e86b9b88ff9c1b66468fa930ede4/
http://autobuild.buildroot.net/results/ebf/ebf02964de98f82e7d5509c68cbfacdb5bc6f87e/



And many more.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>