fix(core): add a linphone_core_create_primary_contact_parsed function to avoid leak with wrappers

coreapi/linphonecore.c

@@ -2672,6 +2672,10 @@ LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
 	return linphone_address_new(linphone_core_get_primary_contact(lc));
 }
 
+LinphoneAddress *linphone_core_create_primary_contact_parsed (LinphoneCore *lc) {
+	return linphone_address_new(linphone_core_get_primary_contact(lc));
+}
+
 LinphoneStatus linphone_core_set_audio_codecs(LinphoneCore *lc, bctbx_list_t *codecs){
 	if (lc->codecs_conf.audio_codecs!=NULL) bctbx_list_free(lc->codecs_conf.audio_codecs);
 	lc->codecs_conf.audio_codecs=codecs;

include/linphone/core.h

@@ -1557,12 +1557,21 @@ LINPHONE_PUBLIC void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val);
 
 /**
  * Same as linphone_core_get_primary_contact() but the result is a #LinphoneAddress object
- * instead of const char*
+ * instead of const char *.
  *
  * @ingroup proxies
+ * @deprecated Use linphone_core_create_primary_contact_parsed() instead. Deprecated since 2018-10-22.
 **/
 LINPHONE_PUBLIC LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc);
 
+/**
+ * Same as linphone_core_get_primary_contact() but the result is a #LinphoneAddress object
+ * instead of const char *.
+ *
+ * @ingroup proxies
+**/
+LINPHONE_PUBLIC LinphoneAddress *linphone_core_create_primary_contact_parsed (LinphoneCore *lc);
+
 LINPHONE_PUBLIC const char * linphone_core_get_identity(LinphoneCore *lc);
 
 /**