Set stepsize to default when using XDRGTK seek function

src/comms.cpp

@@ -381,6 +381,12 @@ void XDRGTKRoutine() {
         }
         byte scanmethod;
         scanmethod = atol(buff + 1);
+
+        if (band < BAND_GAP) {
+          stepsize = 0;
+          ShowStepSize();
+        }
+
         if (scanmethod == 1) {
           DataPrint("C1\n");
           direction = false;

src/comms.h

@@ -45,6 +45,7 @@ extern byte iMSEQ;
 extern byte iMSset;
 extern byte language;
 extern byte memorypos;
+extern byte stepsize;
 extern byte subnetclient;
 extern byte TEF;
 extern char buff[16];
@@ -135,5 +136,6 @@ extern void updateiMS();
 extern void updateEQ();
 extern void tftPrint(int8_t offset, const String & text, int16_t x, int16_t y, int color, int smoothcolor, uint8_t fontsize);
 extern void showAutoSquelch(bool mode);
+extern void ShowStepSize();
 
 #endif