ENH: Use new time looping structure

applications/solvers/heatTransfer/chtMultiRegionSimpleFoam/chtMultiRegionSimpleFoam.C

@@ -55,7 +55,7 @@ int main(int argc, char *argv[])
     #include "initContinuityErrs.H"
 
 
-    while (runTime.run())
+    while (runTime.loop())
     {
         Info<< "Time = " << runTime.timeName() << nl << endl;
 
@@ -81,8 +81,6 @@ int main(int argc, char *argv[])
             #include "convergenceCheck.H"
         }
 
-        runTime++;
-
         runTime.write();
 
         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"