pb: Move pb callback types to .c file

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/protobuf.h

@@ -57,11 +57,6 @@ enum {
  * to match this typedefs.
  */
 
-typedef size_t (*pb_getpksize_t)(void *obj);
-typedef size_t (*pb_pack_t)(void *obj, void *where);
-typedef void  *(*pb_unpack_t)(void *allocator, size_t size, void *from);
-typedef void   (*pb_free_t)(void *obj, void *allocator);
-
 void cr_pb_init(void);
 
 extern int do_pb_read_one(int fd, void **objp, int type, bool eof);

protobuf.c

@@ -44,6 +44,11 @@
 #include "protobuf/netdev.pb-c.h"
 #include "protobuf/tcp-stream.pb-c.h"
 
+typedef size_t (*pb_getpksize_t)(void *obj);
+typedef size_t (*pb_pack_t)(void *obj, void *where);
+typedef void  *(*pb_unpack_t)(void *allocator, size_t size, void *from);
+typedef void   (*pb_free_t)(void *obj, void *allocator);
+
 struct cr_pb_message_desc {
 	pb_getpksize_t	getpksize;
 	pb_pack_t	pack;