Fix PROJ usage accross fork() calls (fixes #2221)#2222

Merged

rouault merged 1 commit intoOSGeo:masterfrom rouault:proj_with_fork

Feb 6, 2020

+95-2

Commits on Feb 6, 2020

Fix PROJ usage accross fork() calls (fixes OSGeo#2221 )
rouault
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