component/m4: Version up

component/m4/buildout.cfg

 [buildout]
 extends =
   ../xz-utils/buildout.cfg
-  ../patch/buildout.cfg
 parts =
   m4
 
 [m4]
 recipe = slapos.recipe.cmmi
 shared = true
-url = http://ftp.gnu.org/gnu/m4/m4-1.4.18.tar.xz
-md5sum = 730bb15d96fffe47e148d1e09235af82
+url = http://ftp.gnu.org/gnu/m4/m4-1.4.19.tar.xz
+md5sum = 0d90823e1426f1da2fd872df0311298d
 environment =
   PATH=${xz-utils:location}/bin:%(PATH)s
-patch-binary = ${patch:location}/bin/patch
-patch-options = -p1
-patches =
-  https://sources.debian.org/data/main/m/m4/1.4.18-5/debian/patches/01-fix-ftbfs-with-glibc-2.28.patch#058a786425e507f911649205b61ffcac