rewind at the start of each FontStream api (since we rewinding internally anyway)

trunk/src/core/SkFontStream.h

Index: trunk/src/core/SkFontStream.h
===================================================================
--- trunk/src/core/SkFontStream.h	(revision 7984)
+++ trunk/src/core/SkFontStream.h	(working copy)
@@ -14,7 +14,16 @@
 
 class SkFontStream {
 public:
+    /**
+     *  Note: the stream is rewound initially, but is returned at an arbitrary
+     *  read offset.
+     */
     static int GetTableTags(SkStream*, SkFontTableTag tags[]);
+
+    /**
+     *  Note: the stream is rewound initially, but is returned at an arbitrary
+     *  read offset.
+     */
     static size_t GetTableData(SkStream*, SkFontTableTag tag,
                                size_t offset, size_t length, void* data);
 };