Fix 64 bit build for musl and android (#90)

src/size.rs

@@ -31,19 +31,11 @@ fn tiocgwinsz() -> u32 {
 }
 
 #[cfg(any(target_env = "musl", target_os = "android"))]
-#[cfg(target_pointer_width = "32")]
 fn tiocgwinsz() -> i32 {
     use termios::TIOCGWINSZ;
     TIOCGWINSZ as i32
 }
 
-#[cfg(target_os = "android")]
-#[cfg(target_pointer_width = "64")]
-fn tiocgwinsz() -> i64 {
-    use termios::TIOCGWINSZ;
-    TIOCGWINSZ as i64
-}
-
 /// Get the size of the terminal.
 #[cfg(not(target_os = "redox"))]
 pub fn terminal_size() -> io::Result<(u16, u16)> {