OPNSense/core 5158c36src/etc/inc util.inc, src/etc/inc/plugins.inc.d/openvpn wizard.inc

system: use unified style for "return preg_match" idiom so the caller receives a boolean

(cherry picked from commit 4b932622ddf69b840199fc1f6898c0716fe0ccaf)
DeltaFile
+2-3src/etc/inc/util.inc
+1-1src/etc/inc/plugins.inc.d/openvpn/wizard.inc
+3-42 files

UnifiedSplitRaw