lib: Run cargo fmt

Our CI seems to have missed this because we weren't doing
`cargo fmt` with all features enabled.

Signed-off-by: Colin Walters <walters@verbum.org>

lib/src/docgen.rs

@@ -15,8 +15,7 @@ pub fn generate_manpages(directory: &Utf8Path) -> Result<()> {
 fn generate_one(directory: &Utf8Path, cmd: Command) -> Result<()> {
     let version = env!("CARGO_PKG_VERSION");
     let name = cmd.get_name();
-    let bin_name = cmd.get_bin_name()
-        .unwrap_or_else(|| name);
+    let bin_name = cmd.get_bin_name().unwrap_or_else(|| name);
     let path = directory.join(format!("{name}.8"));
     println!("Generating {path}...");
 
@@ -37,12 +36,13 @@ fn generate_one(directory: &Utf8Path, cmd: Command) -> Result<()> {
 
     for subcmd in cmd.get_subcommands().filter(|c| !c.is_hide_set()) {
         let subname = format!("{}-{}", name, subcmd.get_name());
-        let bin_name =  format!("{} {}", bin_name, subcmd.get_name());
+        let bin_name = format!("{} {}", bin_name, subcmd.get_name());
         // SAFETY: Latest clap 4 requires names are &'static - this is
         // not long-running production code, so we just leak the names here.
         let subname = &*std::boxed::Box::leak(subname.into_boxed_str());
         let bin_name = &*std::boxed::Box::leak(bin_name.into_boxed_str());
-        let subcmd = subcmd.clone()
+        let subcmd = subcmd
+            .clone()
             .name(subname)
             .alias(subname)
             .bin_name(bin_name)