fix code style

Author: fabiosvm

include/hook/userdata.h

@@ -9,14 +9,14 @@
 #include "value.h"
 
 #define HK_USERDATA_HEADER HK_OBJECT_HEADER \
-                           void (*deinit)(struct hk_userdata *);
+                           void (*deinit)(struct HkUserdata *);
 
-typedef struct hk_userdata
+typedef struct HkUserdata
 {
   HK_USERDATA_HEADER
 } HkUserdata;
 
-void hk_userdata_init(HkUserdata *udata, void (*deinit)(struct hk_userdata *));
+void hk_userdata_init(HkUserdata *udata, void (*deinit)(HkUserdata *));
 void hk_userdata_free(HkUserdata *udata);
 
 #endif // HK_USERDATA_H

src/userdata.c

@@ -6,7 +6,7 @@
 #include <hook/userdata.h>
 #include <stdlib.h>
 
-void hk_userdata_init(HkUserdata *udata, void (*deinit)(struct hk_userdata *))
+void hk_userdata_init(HkUserdata *udata, void (*deinit)(HkUserdata *))
 {
   udata->refCount = 0;
   udata->deinit = deinit;