fixes for windows file paths

mergeRoiTool.m

@@ -100,13 +100,13 @@ lungMatrix = handles.lungMatrix;
 lungStats = handles.lungStats;
 gitInfo = handles.gitInfo;
 
-savePath = [handles.path '/mergeLungROI'];
+savePath = [handles.path filesep 'mergeLungROI'];
 fname = handles.curName;
 if exist(savePath,'dir') ~= 7
     mkdir(savePath);
 end
 try
-    save([savePath '/mergeLung-' fname '.mat'],'lungMatrix', 'lungStats','gitInfo');
+    save([savePath filesep 'mergeLung-' fname '.mat'],'lungMatrix', 'lungStats','gitInfo');
     set(handles.checkbox_saved,'Value',1,'BackgroundColor','g');
     axes(handles.axes1);
     %warn('here')
@@ -210,7 +210,7 @@ files = dir(path);
 dcmlist = struct;
 setProgress(hObject, eventdata, handles,0,'Loading...');
 for n=3:length(files);
-fp = [path '/' files(n).name];
+fp = [path filesep files(n).name];
     if ~files(n).isdir && isdicom(fp) && (isempty(strfind(files(n).name,'XX')) && isempty(strfind(files(n).name,'PS')))
         nfo=dicominfo(fp);
         dcmlist(end+1).path = fp;