Update translations.cpp

variable for model special function custom name

(cherry picked from commit a8c494285d774c0d2268dd96ed615a957e3767c9)

radio/src/translations.cpp

@@ -269,6 +269,7 @@ const char STR_MENUCURVE[] = TR_MENUCURVE;
 const char STR_MENULOGICALSWITCH[] = TR_MENULOGICALSWITCH;
 const char STR_MENULOGICALSWITCHES[] = TR_MENULOGICALSWITCHES;
 const char STR_MENUCUSTOMFUNC[] = TR_MENUCUSTOMFUNC;
+const char STR_CUST_FUNC_CUST_LABEL[] = TR_CUST_FUNC_CUST_LABEL;
 const char STR_SPLASHSCREEN[] = TR_SPLASHSCREEN;
 const char STR_PWR_ON_DELAY[]  = TR_PWR_ON_DELAY;
 const char STR_PWR_OFF_DELAY[]  = TR_PWR_OFF_DELAY;