Fix missing string for M48 build (#16708)

MarlinFirmware · Jan 30, 2020 · e6a675e · e6a675e
1 parent 1bc6509
commit e6a675e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Marlin/src/gcode/calibrate/M48.cpp b/Marlin/src/gcode/calibrate/M48.cpp
@@ -53,6 +53,9 @@
  *
  * This function requires the machine to be homed before invocation.
  */
+
+extern const char SP_Y_STR[];
+
 void GcodeSuite::M48() {
 
   if (axis_unhomed_error()) return;