Fix typo in qlocale_tools_p.h unicodeForDigit() comment

Got the name of the numeric tokenizer helper wrong, making the
cross-reference comment misleading.

Pick-to: 6.10 6.9 6.8
Change-Id: I88b850975aa77b6175e8d95afa2960e589c42d8d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/text/qlocale_tools_p.h

@@ -83,7 +83,7 @@ void qt_doubleToAscii(double d, QLocaleData::DoubleForm form, int precision,
 template <typename UcsInt>
 [[nodiscard]] inline UcsInt unicodeForDigit(uint digit, UcsInt zero)
 {
-    // Must match qlocale.cpp's NumberTokenizer's digit-digestion.
+    // Must match qlocale.cpp's NumericTokenizer's digit-digestion.
     Q_ASSERT(digit < 10);
     if (!digit)
         return zero;