Update MSG_PREHEAT c=18

Firmware/ultralcd.cpp

@@ -6569,7 +6569,7 @@ static void lcd_main_menu()
     if ( moves_planned() || PRINTER_ACTIVE ) {
         MENU_ITEM_SUBMENU_P(_i("Tune"), lcd_tune_menu);////MSG_TUNE
     } else {
-        MENU_ITEM_SUBMENU_P(_i("Preheat"), lcd_preheat_menu);////MSG_PREHEAT
+        MENU_ITEM_SUBMENU_P(_i("Preheat"), lcd_preheat_menu);////MSG_PREHEAT c=18
     }
 
     if (mesh_bed_leveling_flag == false && homing_flag == false && !isPrintPaused) {

lang/lang_en.txt

@@ -610,7 +610,7 @@
 #MSG_PREHEAT_NOZZLE c=20
 "Preheat the nozzle!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 
 #MSG_WIZARD_HEATING c=20 r=3

lang/lang_en_cz.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Predehrejte trysku!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Predehrev"
 

lang/lang_en_de.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Duese vorheizen!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Vorheizen"
 

lang/lang_en_es.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Precalienta extrusor"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Precalentar"
 

lang/lang_en_fr.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Prechauffez la buse!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Prechauffage"
 

lang/lang_en_it.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Prerisc. ugello!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Preriscalda"
 

lang/lang_en_nl.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Tuit voorverwarmen!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Voorverwarmen"
 

lang/lang_en_pl.txt

@@ -814,7 +814,7 @@
 "Preheat the nozzle!"
 "Nagrzej dysze!"
 
-#MSG_PREHEAT
+#MSG_PREHEAT c=18
 "Preheat"
 "Grzanie"