Correct tabs.

+mafe/RheoKelvinVoigt1D.m

@@ -27,7 +27,7 @@ classdef RheoKelvinVoigt1D < mafe.Element
         end
         %% provide element index vector of dof
         function idx = getDofSysIndices(self)
-			dtype = find( [self.node.dof] == self.tdof );
+			      dtype = find( [self.node.dof] == self.tdof );
             ndidx = [ self.node.idx ];
             idx = [ ndidx(dtype(1)), ndidx(dtype(2)) ];
         end