BlockArray::MakeEmpty() can now also be called before the block has been actually used.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12911 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/file_systems/bfs/Utility.cpp

@@ -1,7 +1,7 @@
 /* Utility - some helper classes
-**
-** Initial version by Axel Dörfler, [email protected]
-** This file may be used under the terms of the OpenBeOS License.
+ *
+ * Copyright 2001-2005, Axel Dörfler, [email protected].
+ * This file may be used under the terms of the MIT License.
  */
 
 
@@ -85,7 +85,6 @@ BlockArray::BlockArray(int32 blockSize)
 
 BlockArray::~BlockArray()
 {
-	if (fArray)
 	free(fArray);
 }
 
@@ -134,6 +133,7 @@ BlockArray::Remove(off_t value)
 void 
 BlockArray::MakeEmpty()
 {
+	if (fArray != NULL)
 		fArray->count = 0;
 }