Bug 1569701 Part 0 - Use nscoord instead of int for contentBEnd in nsColumnSetFrame::ReflowChildren(). r=dbaron

Differential Revision: https://phabricator.services.mozilla.com/D41905

--HG--
extra : moz-landing-system : lando

layout/generic/nsColumnSetFrame.cpp

@@ -624,7 +624,7 @@ nsColumnSetFrame::ColumnBalanceData nsColumnSetFrame::ReflowChildren(
   }
 
   int columnCount = 0;
-  int contentBEnd = 0;
+  nscoord contentBEnd = 0;
   bool reflowNext = false;
 
   while (child) {