[daip] IMAGR

[Eric Greisen]

Jim Ulvestad writes:
 > Hi all,
 > 
 > In IMAGR, if you set uvwtfn 'na' and try to uvtaper
 > as well, the task ignores your uvtaper.
 > 
 > If I change uvwtfn to '', and still use robust=5,
 > then the uvtaper is used.
 > 
   But on robust 7, i would fail too.  Fixed the IF that avoided the
waiting routine to test for taper as well as weight roots and
uniform.

Will fix on the next mnj.

Eric