ftostr32np > ftostr32sp

sp=space-padded, similar to: ns=no-sign

Marlin/ultralcd.cpp

 }
 
 //  convert float to space-padded string with -_23.4_ format
-char *ftostr32np(const float &x) {
+char *ftostr32sp(const float &x) {
   long xx = abs(x * 100);
   uint8_t dig;
 

Marlin/ultralcd.h

 char *ftostr31(const float &x);
 char *ftostr32(const float &x);
 char *ftostr12ns(const float &x); 
-char *ftostr32np(const float &x); // remove zero-padding from ftostr32
+char *ftostr32sp(const float &x); // remove zero-padding from ftostr32
 char *ftostr5(const float &x);
 char *ftostr51(const float &x);
 char *ftostr52(const float &x);

Marlin/ultralcd_implementation_hitachi_HD44780.h

 # endif//LCD_WIDTH > 19
     lcd.setCursor(LCD_WIDTH - 8, 1);
     lcd.print('Z');
-    lcd.print(ftostr32np(current_position[Z_AXIS] + 0.00001));
+    lcd.print(ftostr32sp(current_position[Z_AXIS] + 0.00001));
 #endif//LCD_HEIGHT > 2
 
 #if LCD_HEIGHT > 3