Update slock from 1.3 to 1.4 #1148

> git log --oneline 1.3..1.4 fa11589 (tag: 1.4) bump version d5da84c add arg.h and util.h to Makefile ae96836 clarify colors in config.def.h 7d31ff6 move config.h inclusion after type declarations 5974695 Unboolify slock.c c96e725 Use explicit strcmp() instead of inlining it 6a1bd89 No need for oldc to be static b099d2f Use NUL character constant explicitly 0a43b78 Keep the line-lengths at bay bd069b0 Add a section on security considerations 2d85c5b remove confusing DPMS comment a98fba8 error out early on crypt() fail dc2e8e8 Stop using $USER for shadow entries 9a617db Rename getpw() and pws to gethash() and hash b00f444 Remove cleanup and deglobalize and rework data structures cd3c546 config.mk: be more explicative about FLAGS 22eba05 Ensure Polyphemus-Mitigation and properly drop privileges 04143fd Unify how we check passwords between different OSes 9698224 make error message prefix consistent a55594f increasing for loops are idiomatic 03a8717 Localize running and failure inside readpw() 39fb855 Move screen unlocking inside cleanup() e378f73 Re-introduce the waiting loop for input grabbing 1f66885 Add cleanup() to do free(locks) + XCloseDisplay() 137f007 Refactor dontkillme() a9eddbd Convert manpage to mandoc and fix usage d8bec0f fix CVE-2016-6866 b87bfa2 Update bsd-auth string. c2f9757 Exit as soon as possible on input grabbing error 3bb868e Refactor main() a7afade clear passwords with explicit_bzero 65b8d52 Revert "No need for usage()" ec46680 revert using argv0 and minor fixup b02c4d4 Use argv0 instead of passing "slock:" to die every time a6dc051 No need for usage() bdcbeab Clarify config.def.h 3abbffa Simplify the oom-taming-function

Update slock from 1.3 to 1.4 #1148

Update slock from 1.3 to 1.4 #1148

Commits on Jun 27, 2019