Fix missing RT+ indicator after leaving AFEON

src/gui.cpp

@@ -687,6 +687,11 @@ void BuildAdvancedRDS() {
   haseonold = false;
   BWreset = true;
   pinstringold = "";
+  hasrtplusold = false;
+  eonstringold = "";
+  afstringold = "";
+  rtplusstringold = "";
+  
   ShowMemoryPos();
 }
 

src/gui.h

@@ -43,6 +43,7 @@ extern bool errorCold;
 extern bool errorDold;
 extern bool hasafold;
 extern bool haseonold;
+extern bool hasrtplusold;
 extern bool hastmcold;
 extern bool LowLevelInit;
 extern bool menuopen;
@@ -144,12 +145,15 @@ extern int16_t SStatus;
 extern int8_t LevelOffset;
 extern int8_t LowLevelSet;
 extern int8_t VolSet;
+extern String afstringold;
 extern String CurrentThemeString;
 extern String eonpsold[11];
+extern String eonstringold;
 extern String pinstringold;
 extern String programServicePrevious;
 extern String ptynold;
 extern String rds_clockold;
+extern String rtplusstringold;
 extern String XDRGTK_key;
 extern unsigned int ConverterSet;
 extern unsigned int HighEdgeSet;