Ignore bad retry answer (fix #86)

src/terminal.rs

@@ -63,7 +63,6 @@ impl Terminal {
         }
 
         println!();
-        loop {
         self.term
             .write_fmt(format_args!(
                 "{}",
@@ -78,13 +77,15 @@ impl Terminal {
                 .bold()
             )).ok();
 
-            let answer = self.term.read_char()?;
-            println!();
-            match answer {
-                'y' | 'Y' => return Ok(true),
-                'n' | 'N' | '\r' | '\n' => return Ok(false),
+        let answer = loop {
+            match self.term.read_char()? {
+                'y' | 'Y' => break Ok(true),
+                'n' | 'N' | '\r' | '\n' => break Ok(false),
                 _ => (),
             }
-        }
+        };
+
+        println!();
+        answer
     }
 }