A comment extended.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2345 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/unix/x0vncserver/PollingManager.cxx b/unix/x0vncserver/PollingManager.cxx
index 4ceb03d..06f725b 100644
--- a/unix/x0vncserver/PollingManager.cxx
+++ b/unix/x0vncserver/PollingManager.cxx
@@ -243,7 +243,7 @@
// mxChanged[] array will hold boolean values corresponding to each
// 32x32 tile. If a value is true, then we've detected a change in
- // that tile.
+ // that tile. Initially, we fill in the array with zero values.
bool *mxChanged = new bool[m_widthTiles * m_heightTiles];
memset(mxChanged, 0, m_widthTiles * m_heightTiles);