Fix fat fingering in 22cb6d2895

Per Rainier Vilela

src/bin/pg_dump/pg_restore.c

@@ -902,12 +902,12 @@ read_one_statement(StringInfo inBuf, FILE *pfile)
 			break;
 		}
 
-		destroyStringInfo(&q);
-
 		if (c == '\n')
 			appendStringInfoChar(inBuf, (char) '\n');
 	}
 
+	destroyStringInfo(&q);
+
 	/* No input before EOF signal means time to quit. */
 	if (c == EOF && inBuf->len == 0)
 		return EOF;