glib: Depends on util-linux for Linuxbrew
glib: Depends on util-linux for Linuxbrew

Fix the error:
checking for LIBMOUNT... no
checking libmount/libmount.h usability... no
checking libmount/libmount.h presence... no
checking for libmount/libmount.h... no
configure: error: *** Could not find libmount

Closes Linuxbrew/homebrew-core#966.

Signed-off-by: Bob W. Hogg <c772a964fd55352a3510e5d535dd9ccc9ac30168@linux.com>

maxim-belkin/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,LinuxbrewTestBot/homebrew-core,Linuxbrew/homebrew-core,maxim-belkin/homebrew-core,rwhogg/homebrew-core,Linuxbrew/homebrew-core