Fixes #1666: Missing constructor calls for static objects

radio/src/targets/sky9x/syscalls.c

@@ -156,3 +156,8 @@ extern int _getpid ( void )
 {
     return -1 ;
 }
+
+void _init (void)
+{
+  
+}

radio/src/targets/taranis/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/CMSIS/Device/ST/STM32F2xx/Source/Templates/gcc_ride7/startup_stm32f2xx.s

@@ -100,6 +100,10 @@ LoopFillZerobss:
   bcc  FillZerobss
 /* Call the clock system intitialization function.*/
   bl  SystemInit   
+
+/* Call C++ constructors for static objects */
+  bl  __libc_init_array
+
 /* Call the application's entry point.*/
   bl  main
   bx  lr