[Kst] More build bugs

[Barth Netterfield]

clean build, unsermake dies with

...................
compiling ./kst/src/widgets/stringeditor.cpp
compiling ./kst/src/widgets/scalareditor.cpp
installing /home/cbn/programs/kst/graphics/kst/src/libkst/kstdatasource.h
/usr/bin/install: cannot create regular file 
`/opt/kde3/include/kstdatasource.h': Permission denied
Error creating /opt/kde3/include/kstdatasource.h. Exit status 1.


Continuing with "unsermake -k" works with other similar errors.

cbn