VMS build: don't add a comma before 'extradefines'
The variable extradefines will have the starting comma, if needed.
@@ -198,8 +198,8 @@ ASOUTFLAG={- $target{asoutflag} -}$(OSSL_EMPTY)
CNF_ASFLAGS={- join('', $target{asflags} || (),
@{$config{asflags}}) -}
-CNF_DEFINES={- our $defines2 = join('', map { ",$_" } @{$target{defines}},
- @{$config{defines}},
+CNF_DEFINES={- our $defines2 = join('', (map { ",$_" } @{$target{defines}},
+ @{$config{defines}}),
"'extradefines'") -}
CNF_INCLUDES={- our $includes2 = join(',', @{$target{includes}},
@{$config{includes}}) -}
