🩹 Followup for lchar_t

Marlin/src/lcd/fontutils.cpp

 
 /* This function gets the character at the pstart position, interpreting UTF8 multibyte sequences
    and returns the pointer to the next character */
-const uint8_t* get_utf8_value_cb(const uint8_t *pstart, read_byte_cb_t cb_read_byte, lchar_t *pval) {
+const uint8_t* get_utf8_value_cb(const uint8_t *pstart, read_byte_cb_t cb_read_byte, lchar_t &pval) {
   uint32_t val = 0;
   const uint8_t *p = pstart;
 
   else
     for (; 0xFC < (0xFE & valcur); ) { p++; valcur = cb_read_byte(p); }
 
-  if (pval) *pval = val;
+  pval = val;
 
   return p;
 }

Marlin/src/lcd/tft/tft_string.h

 
 #include <stdint.h>
 
+#include "../fontutils.h"
+
 extern const uint8_t ISO10646_1_5x7[];
 extern const uint8_t font10x20[];