* #28351: numbercleaner: use range-based for loops

daemon/src/numbercleaner.cpp

@@ -37,9 +37,8 @@
 namespace {
 void strip_chars(const std::string &to_strip, std::string &num)
 {
-    for (std::string::const_iterator iter = to_strip.begin();
-            iter != to_strip.end(); ++iter)
-        num.erase(std::remove(num.begin(), num.end(), *iter), num.end());
+    for (const auto &iter : to_strip)
+        num.erase(std::remove(num.begin(), num.end(), iter), num.end());
 }
 }