package/checkpolicy: fix -fno-common build failure

package/checkpolicy: fix -fno-common build failure

Added upstream patch for removal of unused te_assertions which was
found when using GCC10 as a host complier (-fno-common is now default)

Fixes:
http://autobuild.buildroot.net/results/63f2d1897a8f581ec107374bf2cbb68d3add4109/

Cc: Peter Korsgaard <peter@korsgaard.com>
Cc: Romain Naour <romain.naour@gmail.com>
Cc: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Tested-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>