Added User Application APIs to the CDC and DFU class bootloaders.

Bootloaders/CDC/BootloaderCDC.c

@@ -63,6 +63,10 @@ static bool RunBootloader = true;
  */
 int main(void)
 {
+	/* Force a reference to the API jump table to prevent the linker from discarding it */
+	uint8_t* volatile Dummy = BootloaderAPI_JumpTable;
+	(void)Dummy;
+
 	/* Setup hardware required for the bootloader */
 	SetupHardware();