Fix for bug #10226 (mysql_get_client_version not implemented)

libmysqld/libmysqld.c:
  mysql_get_client_version implementation added

libmysqld/libmysqld.c

@@ -1795,6 +1795,10 @@ mysql_get_client_info(void)
   return MYSQL_SERVER_VERSION;
 }
 
+ulong STDCALL mysql_get_client_version(void)
+{
+  return MYSQL_VERSION_ID;
+}
 
 int STDCALL
 mysql_options(MYSQL *mysql,enum mysql_option option, const char *arg)