mapi: Move mapi_func typedef to entry.h.

Make it clear that entry.h does not depend on stub.h.

src/mapi/mapi/entry.h

@@ -30,7 +30,8 @@
 #define _ENTRY_H_
 
 #include "u_compiler.h"
-#include "stub.h"
+
+typedef void (*mapi_func)(void);
 
 void
 entry_patch_public(void);

src/mapi/mapi/stub.h

@@ -29,7 +29,7 @@
 #ifndef _STUB_H_
 #define _STUB_H_
 
-typedef void (*mapi_func)(void);
+#include "entry.h"
 
 struct mapi_stub;
 

src/mapi/mapi/table.c

@@ -29,7 +29,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#include "stub.h"
 #include "table.h"
 
 static void

src/mapi/mapi/table.h

@@ -30,7 +30,7 @@
 #define _TABLE_H_
 
 #include "u_compiler.h"
-#include "stub.h"
+#include "entry.h"
 
 #define MAPI_TMP_TABLE
 #include "mapi_tmp.h"