fixed filename in hash list, remove prefixed slash

src/integretychecker.cpp

@@ -81,7 +81,7 @@ std::string IntegretyCheck::generateHashList(const std::string &app) {
     } else {
       // strip appPath
       std::string filepath = f.path().string();
-      filepath.erase(0, p.size());
+      filepath.erase(0, p.size() + 1);
       // write hash line to file
       hashlist << generateFileHash(f.path().string()) << HASH_FILE_DIVIDER
                << filepath << std::endl;