Search for the '@' symbol in the DSN from the right instead of the left.

That will allow the password element to include a '@' symbol without
confusing the DSN parser.

Submitted by: Alex L <admin@networkessence.net>

pear/DB.php

@@ -459,7 +459,7 @@ class DB
 
         // Get (if found): username and password
         // $dsn => username:password@protocol+hostspec/database
-        if (($at = strpos($dsn,'@')) !== false) {
+        if (($at = strrpos($dsn,'@')) !== false) {
             $str = substr($dsn, 0, $at);
             $dsn = substr($dsn, $at + 1);
             if (($pos = strpos($str, ':')) !== false) {
@@ -722,4 +722,4 @@ class DB_row
     }
 }
 
-?>
+?>