Fixed typo in Doxygen comment.

CHANGELOG

@@ -4,6 +4,7 @@
 
 -- stuff in the stable-1.0 branch, backported from 2.0.0 dev branch, etc ---
 
+09232006 - Fixed typo in doxygen comment.
 03232006 - Added -fvisibility for gcc4 (http://gcc.gnu.org/wiki/Visibility)
 01012006 - Added physfs.rc (thanks, Dennis!). Changed my email address.
 11282005 - Whitespace fix, and corrected docs on PHYSFS_setWriteDir().

physfs.h

@@ -311,7 +311,7 @@ typedef struct
  *  revision).
  *
  * \sa PHYSFS_VERSION
- * \sa PHYFS_getLinkedVersion
+ * \sa PHYSFS_getLinkedVersion
  */
 typedef struct
 {