mm(1): updates to use new unveil api

src/libopenbsd.rs

@@ -69,14 +69,12 @@ pub fn pledge(
 pub struct UnveilPerms(CString);
 
 impl UnveilPerms {
-	pub fn new(permissions: Vec<char>) -> Self {
+	pub fn new<T: IntoIterator<Item = char>>(permissions: T) -> Self {
-		if permissions.is_empty() {
+		let perms = CString::new(
-			return UnveilPerms(CString::new("").unwrap());
+			permissions.into_iter().collect::<String>()
-		}
+		).unwrap();
 		
-		UnveilPerms(
+		UnveilPerms(perms)
-			CString::new(permissions.iter().collect::<String>()).unwrap()
-		)
 	}
 }