Fix missing symbol exports for Windows build.

coreapi/vcard_stubs.c

@@ -18,6 +18,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
 #include "vcard.h"
+#include "linphonecore.h"
 
 struct _LinphoneVcardContext {
 	void *user_data;

include/sal/sal.h

@@ -755,7 +755,7 @@ void sal_call_send_vfu_request(SalOp *h);
 int sal_call_is_offerer(const SalOp *h);
 int sal_call_notify_refer_state(SalOp *h, SalOp *newcall);
 bool_t sal_call_compare_op(const SalOp *op1, const SalOp *op2);
-bool_t sal_call_dialog_request_pending(const SalOp *op);
+LINPHONE_PUBLIC bool_t sal_call_dialog_request_pending(const SalOp *op);
 const char * sal_call_get_local_tag(SalOp *op);
 const char * sal_call_get_remote_tag(SalOp *op);
 void sal_call_set_replaces(SalOp *op, const char *call_id, const char *from_tag, const char *to_tag);