Update user_imports.php (#5357)

start data on row 2

core/users/user_imports.php

@@ -433,7 +433,7 @@
 	echo "</td>\n";
 	echo "<td class='vtable' align='left'>\n";
 	echo "		<select class='formfld' name='from_row'>\n";
-	$i=1;
+	$i=2;
 	while($i<=99) {
 		$selected = ($i == $from_row) ? "selected" : null;
 		echo "			<option value='$i' ".$selected.">$i</option>\n";