Scrolling from view to view works now

And quite some bugs & crashes fixed.

radio/src/telemetry/frsky_pxx2.cpp

@@ -20,6 +20,10 @@
 
 #include "opentx.h"
 
+#if defined(LIBOPENUI)
+  #include "libopenui.h"
+#endif
+
 void processGetHardwareInfoFrame(uint8_t module, const uint8_t * frame)
 {
   if (moduleState[module].mode != MODULE_MODE_GET_HARDWARE_INFO) {

radio/src/telemetry/telemetry.cpp

@@ -23,6 +23,10 @@
 #include "pulses/afhds3.h"
 #include "mixer_scheduler.h"
 
+#if defined(LIBOPENUI)
+  #include "libopenui.h"
+#endif
+
 uint8_t telemetryStreaming = 0;
 uint8_t telemetryRxBuffer[TELEMETRY_RX_PACKET_SIZE];   // Receive buffer. 9 bytes (full packet), worst case 18 bytes with byte-stuffing (+1)
 uint8_t telemetryRxBufferCount = 0;

radio/src/telemetry/telemetry_sensors.cpp

@@ -22,6 +22,10 @@
 #define _USE_MATH_DEFINES
 #include <math.h>
 
+#if defined(LIBOPENUI)
+  #include "libopenui.h"
+#endif
+
 TelemetryItem telemetryItems[MAX_TELEMETRY_SENSORS];
 uint8_t allowNewSensors;