K 10
svn:author
V 2
rm
K 8
svn:date
V 27
2012-03-31T08:29:18.000000Z
K 7
svn:log
V 213
- conditionally add missing log2() only to systems where it really missing
This fixes breakage on log2()-aware systems, introduced in previous commit.

Spotted by:     mandree
Pontyhat to:    rm
Feature safe:	yes

END