drop patches applied in release 4.1:
[SV 40139] Modify "missing separator" for better translation
[SV 33034] read.c (record_files): Change fatal() to error()
[SV 40515] load.c: Define RTLD_GLOBAL if not set.
[SV 40789] commands.c: Remove unneeded header dlfcn.h
[SV 40790] configure.ac: Fix load autoconf variables.
[SV 41341] job.c (set_child_handler_action_flags): Ensure signal handler is in place before alarm(1).
[SV 42249] Propagate correct rule status results.
[SV 40371] makeint.h (STOP_SET): Cast to unsigned char.

refine remaining patches:
support multiarch (was named previously as "debcherry fixup patch")
[handle_excessive_command_length]: Patch to fix large command line
[test-fopenfail-timeout-fix]: Set fopen-fail timeout to 300