QIPAddressUtils: remove unused base argument of number() function

Change-Id: I19ea99d1bb6ecb9a6fed39bf8fe13b449864d800
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/io/qipaddress.cpp

@@ -49,10 +49,10 @@ using namespace Qt::StringLiterals;
 
 namespace QIPAddressUtils {
 
-static QString number(quint8 val, int base = 10)
+static QString number(quint8 val)
 {
     QString zero = QStringLiteral("0");
-    return val ? qulltoa(val, base, zero) : zero;
+    return val ? qulltoa(val, 10, zero) : zero;
 }
 
 typedef QVarLengthArray<char, 64> Buffer;