!650 gs_probackup: add passwd from interaction to connect info

Merge pull request !650 from 吴岳川/gs_probackup

src/bin/pg_probackup/pgut.cpp

@@ -645,7 +645,8 @@ PGconn* pgut_connect(const char *host, const char *port,
 
             if (password == NULL || password[0] == '\0')
                 elog(ERROR, "no password supplied");
-
+            keywords[i] = "password";
+            values[i] = password;
             continue;
         }
         elog(ERROR, "could not connect to database %s: %s",