K 10
svn:author
V 7
zeising
K 8
svn:date
V 27
2020-08-28T22:07:47.517124Z
K 7
svn:log
V 210
textproc/zorba: Fix build with llvm11

Fix the build of textproc/zorba with llvm11.
NULL isn't a boolean, fix this by returning false instead of NULL from bool
functions.

MFH:		2020Q3 (implicit, llvm11 fixes)

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