Change sample iterator variable names in examples

plugins/examples/sine/src/lib.rs

@@ -134,7 +134,7 @@ impl Plugin for Sine {
 
     fn process(&mut self, buffer: &mut Buffer, context: &mut impl ProcessContext) -> ProcessStatus {
         let mut next_event = context.next_midi_event();
-        for (sample_id, samples) in buffer.iter_mut().enumerate() {
+        for (sample_id, channel_samples) in buffer.iter_mut().enumerate() {
             // Smoothing is optionally built into the parameters themselves
             let gain = self.params.gain.smoothed.next();
 
@@ -167,7 +167,7 @@ impl Plugin for Sine {
                 self.calculate_sine(frequency)
             };
 
-            for sample in samples {
+            for sample in channel_samples {
                 *sample = sine * util::db_to_gain(gain);
             }
         }