Fixed SQL export with newlines

Remove manual escaping where we do proper escaping through MySQL
extension.

Fixes #12765

Signed-off-by: Michal Čihař <michal@cihar.com>

ChangeLog

@@ -1,6 +1,9 @@
 phpMyAdmin - ChangeLog
 ======================
 
+4.6.5.2 (2016-12-05)
+- issue #12765 Fixed SQL export with newlines
+
 4.6.5.1 (2016-11-25)
 - issue #12735 Incorrect parameters to escapeString in Node.php
 - issue #12734 Fix PHP error when mbstring is not installed

libraries/plugins/export/ExportSql.php

@@ -2317,8 +2317,6 @@ class ExportSql extends ExportPlugin
         }
 
         //\x08\\x09, not required
-        $search = array("\x00", "\x0a", "\x0d", "\x1a");
-        $replace = array('\0', '\n', '\r', '\Z');
         $current_row = 0;
         $query_size = 0;
         if (($GLOBALS['sql_insert_syntax'] == 'extended'
@@ -2411,13 +2409,7 @@ class ExportSql extends ExportPlugin
                 } else {
                     // something else -> treat as a string
                     $values[] = '\''
-                        . $GLOBALS['dbi']->escapeString(
-                            str_replace(
-                                $search,
-                                $replace,
-                                $row[$j]
-                            )
-                        )
+                        . $GLOBALS['dbi']->escapeString($row[$j])
                         . '\'';
                 } // end if
             } // end for