Fix typo in DB version strings (there should be no .sql suffix)

SQL/mssql.initial.sql

@@ -371,6 +371,6 @@ CREATE TRIGGER [contact_delete_member] ON [dbo].[contacts]
     WHERE [contact_id] IN (SELECT [contact_id] FROM deleted)
 GO
 
-INSERT INTO [dbo].[system] ([name], [value]) VALUES ('roundcube-version', '2013011700.sql')
+INSERT INTO [dbo].[system] ([name], [value]) VALUES ('roundcube-version', '2013011700')
 GO
 

SQL/mysql.initial.sql

@@ -196,4 +196,4 @@ CREATE TABLE `system` (
 
 /*!40014 SET FOREIGN_KEY_CHECKS=1 */;
 
-INSERT INTO system (name, value) VALUES ('roundcube-version', '2013011700.sql');
+INSERT INTO system (name, value) VALUES ('roundcube-version', '2013011700');

SQL/postgres.initial.sql

@@ -274,4 +274,4 @@ CREATE TABLE "system" (
     value text
 );
 
-INSERT INTO system (name, value) VALUES ('roundcube-version', '2013011700.sql');
+INSERT INTO system (name, value) VALUES ('roundcube-version', '2013011700');

SQL/sqlite.initial.sql

@@ -209,4 +209,4 @@ CREATE TABLE system (
   value text NOT NULL
 );
 
-INSERT INTO system (name, value) VALUES ('roundcube-version', '2013011700.sql');
+INSERT INTO system (name, value) VALUES ('roundcube-version', '2013011700');

bin/updatedb.sh

@@ -63,7 +63,7 @@ if (in_array('system', (array)$DB->list_tables())) {
         $opts['package'] . '-version');
 
     $row     = $DB->fetch_array();
-    $version = $row[0];
+    $version = preg_replace('/[^0-9]/', '', $row[0]);
 }
 
 // DB version not found, but release version is specified