Fix minor typos

src/WaveTrack.cpp

@@ -702,7 +702,7 @@ void WaveTrack::SetWaveformSettings(std::unique_ptr<WaveformSettings> &&pSetting
 // followed by Paste() and is used mostly by effects that
 // can't replace track data directly using Get()/Set().
 //
-// HandleClear() removes any cut/split lines lines with the
+// HandleClear() removes any cut/split lines with the
 // cleared range, but, in most cases, effects want to preserve
 // the existing cut/split lines, so they are saved before the
 // HandleClear()/Paste() and restored after.
@@ -1919,7 +1919,7 @@ bool WaveTrack::Get(samplePtr buffer, sampleFormat format,
             // startDelta is zero
          }
          else {
-            // startDelta is nonnegative and less than than len
+            // startDelta is nonnegative and less than len
             // samplesToCopy is positive and not more than len
          }
 
@@ -1967,7 +1967,7 @@ void WaveTrack::Set(samplePtr buffer, sampleFormat format,
             // startDelta is zero
          }
          else {
-            // startDelta is nonnegative and less than than len
+            // startDelta is nonnegative and less than len
             // samplesToCopy is positive and not more than len
          }