libsvn - svn_create_pool() - Unresolved external.

#include "stdafx.h"
#include "svn_pools.h"
#include "svn_client.h"

int main(int argc, char* argv[])
{
    svn_error_t *err;
    apr_pool_t *pool;
    svn_client_ctx_t *ctx;

    apr_initialize();
    pool = svn_pool_create( NULL );

    if ( err = svn_client_create_context( &ctx, pool ) )
    {
        svn_pool_destroy( pool );
        return 0;
    }

    err = svn_client_checkout( NULL, "http://streetview-explorer.googlecode.com/svn/trunk/", "C:\\sve", NULL, true,  ctx, pool );
    svn_pool_destroy( pool );

    return 0;
}