linux_main.c, linux_main_rt.c: quit the ctrlloop when SIGINTed

Signed-off-by: Stepan Pressl <pressl.stepan@gmail.com>

Author: zdebanos

CodeGen/src/linux_main_rt.c

@@ -200,6 +200,7 @@ static void *rt_task(void *p)
 void endme(int n)
 {
   end = 1;
+  NAME(MODEL, _pt_ctx).ctrlloopend = 1;
 }
 
 void print_usage(void)

CodeGen/src/nuttx_main.c

@@ -210,6 +210,7 @@ static void *rt_task(void *p)
 void endme(int n)
 {
   end = 1;
+  NAME(MODEL, _pt_ctx).ctrlloopend = 1;
 }
 
 void print_usage(void)