K 10
svn:author
V 5
andre
K 8
svn:date
V 27
2012-10-28T18:38:51.086247Z
K 7
svn:log
V 317
Improve m_cat() by being able to also merge contents from M_EXT
mbuf's by doing proper testing with M_WRITABLE().

In m_collapse() replace an incomplete manual check for M_RDONLY
with the M_WRITABLE() macro that also tests for shared buffers
and other cases that make a particular mbuf immutable.

MFC after:	2 weeks

END