Fixed Windows MSVC 2005 build failure caused by svn rev. 3361.
Fixed Windows MSVC 2005 build failure caused by svn rev. 3361.

svn path=/trunk/libavg/; revision=3365

hoodie/libavg,hoodie/libavg,libavg/libavg,th3infinity/libavg,yyd01245/libavg,scotty007/libavg,yyd01245/libavg,hoodie/libavg,yyd01245/libavg,libavg/libavg,scotty007/libavg,yyd01245/libavg,hoodie/libavg,libavg/libavg,th3infinity/libavg,libavg/libavg,th3infinity/libavg,th3infinity/libavg,scotty007/libavg,scotty007/libavg