re-add version number

turns out those are quite important

Signed-off-by: Robin Appelman <robin@icewind.nl>

version.php

@@ -30,7 +30,7 @@
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patch level
 // when updating major/minor version number.
 
-
+$OC_Version = [27, 0, 0, 3];
 
 // The human-readable string
 $OC_VersionString = '27.0.0 beta 2';