Fix a typing error. Incorrect function return data-type for `__startup_64` in linux_initialization_1. s/log/long/
@@ -79,7 +79,7 @@ After we sanitized CPU configuration, we call `__startup_64` function which is d
```
```C
-unsigned log __head __startup_64(unsigned long physaddr,
+unsigned long __head __startup_64(unsigned long physaddr,
struct boot_params *bp)
{
unsigned long load_delta, *p;