Clean out a warning

in ultralcd_implementation_hitachi_HD44780.h lcd_print( about array index.
10 years ago · eff6a2bd2e
1 changed files with 1 additions and 1 deletions
--- a/Marlin/ultralcd_implementation_hitachi_HD44780.h
+++ b/Marlin/ultralcd_implementation_hitachi_HD44780.h
@ -414,7 +414,7 @@ char lcd_printPGM(const char* str) {

 char lcd_print(char* str) {
  char c;
-  char i = 0;
+  unsigned char i = 0;
  char n = 0;
  while((c = str[i++])) {
      n += charset_mapper(c);