Resolves: #i124468# add checks for the read numbers of column for a section

note acecfab9dde94abe733d63260777007337b9aff0 covers the same territory
and fixes mostly the same problem, but ccolM1 isn't clipped for the
other places where it gets used

(cherry picked from commit 32d9f959cf3f133b9257c066a979848a967f7081)

Conflicts:
	sw/source/filter/ww8/ww8par6.cxx

Change-Id: Idad7d95b28d38b7c52b56cab16c533565d9ecfea