Revert "Make runnable's run() method take a mutable self-reference."

This reverts commit e1f0525e4e1dcf674aa7489042a06b7c7d671a2a.
I've decided against having mutable self-references. It's a bit less
convenient, but more sane. Also, the revert can be reverted any time,
should the need arise.

1 files changed, 1 insertions, 1 deletions

diff --git a/pulse/src/runnable/mod.rs b/pulse/src/runnable/mod.rs
index ca63f24..612bca9 100644
--- a/pulse/src/runnable/mod.rs
+++ b/pulse/src/runnable/mod.rs
@@ -28,7 +28,7 @@ impl<'p : 's, 's> PulseVolumeRunnable<'p> {
 }
 
 impl<'p> SwayStatusModuleRunnable for PulseVolumeRunnable<'p> {
-    fn run(&mut self) {
+    fn run(&self) {
         //TODO
     }
 }