future proofed the code

Author: Tony Cabello

src/js/tabs/gps.js

@@ -90,7 +90,13 @@ TABS.gps.initialize = function (callback) {
                 }
             } else {
                 // M8N/M9N on newer firmware
-                for (let i = 0; i < FC.GPS_DATA.chn.length; i++) {
+
+                let channels = FC.GPS_DATA.chn.length;
+                if (channels > 32) {
+                    channels = 32; //the list in html can only show 32 channels but future firmware could send more
+                }
+
+                for (let i = 0; i < channels; i++) {
                     const row = eSsTable.eq(i);
 
                     if (FC.GPS_DATA.chn[i] <= 6) {