app/internal/log: fold header file into Go preamble

Signed-off-by: Elias Naur <mail@eliasnaur.com>

app/internal/log/log_ios.go

@@ -7,7 +7,7 @@ package log
 /*
 #cgo CFLAGS: -Werror -fmodules -fobjc-arc -x objective-c
 
-#include "log_ios.h"
+__attribute__ ((visibility ("hidden"))) void nslog(char *str);
 */
 import "C"
 

app/internal/log/log_ios.h

@@ -1,3 +0,0 @@
-// SPDX-License-Identifier: Unlicense OR MIT
-
-__attribute__ ((visibility ("hidden"))) void nslog(char *str);

app/internal/log/log_ios.m

@@ -4,7 +4,7 @@
 
 @import Foundation;
 
-#include "log_ios.h"
+#include "_cgo_export.h"
 
 void nslog(char *str) {
 	NSLog(@"%@", @(str));