cubicweb #3450362 syntax error in schemas/_regproc.postgres.sql [validation pending]

forbids instance creation

priorityimportant
typebug
done in3.18.2
load0.100
load left0.000
closed by#3e6a1791339d [schema/stored procs] fix syntax error (closes #3450362)
patch[schema/stored procs] fix syntax error (closes #3450362) [applied]