open_stream(): Change `write!` to `writeln!` on STDERR

When printing errors to STDERR, ensure we're writing newlines to
separate error messages.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 96a3986..40ff310 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -33,7 +33,7 @@ fn open_stream(browser: String, port: u16) -> Result<(), Box<Error>> {
                     .spawn()?;
             }
             Err(e) => {
-                write!(io::stderr(), "{}", e)?;
+                writeln!(io::stderr(), "{}", e)?;
             }
         }
     }