Compilation fixes on all boards

radio/src/gui/212x64/lcd.cpp

@@ -244,7 +244,7 @@ uint8_t getTextWidth(const char * s, uint8_t len, LcdFlags flags)
 {
   uint8_t width = 0;
   for (int i=0; len==0 || i<len; ++i) {
-    unsigned char c = (flags & ZCHAR) ? idx2char(*s) : *s;
+    unsigned char c = (flags & ZCHAR) ? zchar2char(*s) : *s;
     if (!c) {
       break;
     }
@@ -274,7 +274,7 @@ void lcdDrawSizedText(coord_t x, coord_t y, const char * s, uint8_t len, LcdFlag
 #if defined(BOOT)
     unsigned char c = *s;
 #else
-    unsigned char c = (flags & ZCHAR) ? idx2char(*s) : *s;
+    unsigned char c = (flags & ZCHAR) ? zchar2char(*s) : *s;
 #endif
 
     if (setx) {