env: change -c to -C
@@ -131,7 +131,7 @@ pub fn uu_app() -> App<'static, 'static> {
.long("ignore-environment")
.help("start with an empty environment"))
.arg(Arg::with_name("chdir")
- .short("c")
+ .short("C") // GNU env compatibility
.long("chdir")
.takes_value(true)
.number_of_values(1)
