Add 'New Login' button to unlock dialog

Cargo.lock

@@ -263,10 +263,8 @@ dependencies = [
  "humantime",
  "log",
  "nix",
- "toml",
  "xcb",
  "xcb-xembed",
- "xdg",
 ]
 
 [[package]]
@@ -316,6 +314,7 @@ dependencies = [
  "gtk-sys",
  "log",
  "pam",
+ "shell-words",
 ]
 
 [[package]]
@@ -339,11 +338,14 @@ dependencies = [
 name = "bscreensaver-util"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "clap",
  "env_logger",
  "lazy_static",
  "libc",
+ "toml",
  "xcb",
+ "xdg",
 ]
 
 [[package]]
@@ -1508,6 +1510,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012"
 
+[[package]]
+name = "shell-words"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24188a676b6ae68c3b2cb3a01be17fbf7240ce009799bb56d5b1409051e78fde"
+
 [[package]]
 name = "slab"
 version = "0.4.6"