fixup! fix: Harden files scanner for invalid null access

Author: susnux

lib/private/Files/View.php

@@ -610,13 +610,13 @@ public function file_put_contents($path, $data) {
 				$this->lockFile($path, ILockingProvider::LOCK_SHARED);
 
 				$exists = $this->file_exists($path);
-				$run = true;
 				if ($this->shouldEmitHooks($path)) {
+					$run = true;
 					$this->emit_file_hooks_pre($exists, $path, $run);
-				}
-				if (!$run) {
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
-					return false;
+					if (!$run) {
+						$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
+						return false;
+					}
 				}
 
 				try {