x86: Sanitize arch_alloc_thread_info

- We have a convention to return -1 on error
- Drop empty line
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

arch/x86/crtools.c

@@ -284,9 +284,8 @@ int arch_alloc_thread_info(CoreEntry *core)
 	}
 
 	return 0;
-
 err:
-	return 1;
+	return -1;
 }
 
 void arch_free_thread_info(CoreEntry *core)