dblayer : sqlite : chmod 0666 only if the file exists

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@2098 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

dblayer.php

@@ -113,6 +113,7 @@ class dblayer extends PDO
                              "The SQLite database file is write protected"),
                              500);
       if (function_exists ("posix_getuid") &&
+          file_exists ($file) &&
           fileowner ($file) === posix_getuid ())
         chmod ($file, 0666);
       try