fixup! Disable warning for 2038 for tar for 32 bit systems

See commit 77eabe12.

BTW, the mentionned 3ff25131d56c7f66066b70191ac828a666600e92
commit was part of nexedi/slapos!1559.

component/coreutils/buildout.cfg

@@ -24,7 +24,7 @@ patches =
 patch-options = -p1
 
 # disable year 2038 problem ONLY for 32 bit architectures
-[coreutils:platform.architecture()[0] == '32bit']
+[coreutils:bits32]
 configure-options += --disable-year2038
 
 [coreutils-output]

component/tar/buildout.cfg

@@ -14,5 +14,5 @@ environment =
   PATH=${xz-utils:location}/bin:%(PATH)s
 
 # disable year 2038 problem ONLY for 32 bit architectures
-[tar:platform.architecture()[0] == '32bit']
+[tar:bits32]
 configure-options += --disable-year2038