Fixed infinite loop

kcc/comic2ebook.py

@@ -337,6 +337,7 @@ def dirImgProcess(path):
             if getImageFileName(afile) is not None:
                 pagenumber += 1
                 work.append([afile, dirpath, pagenumber, options])
+    if len(work) > 0:
         splitpages = pool.map(fileImgProcess, work)
         pool.close()
         pool.join()