gplugin/gplugin

Fix up some stuff that missed in the perl->perl5 transition
develop
2020-09-05, Gary Kramlich
91d639a0209b
Fix up some stuff that missed in the perl->perl5 transition

Testing Done:
Compiled and updated po's.

Reviewed at https://reviews.imfreedom.org/r/103/
option(
'doc',
type : 'boolean', value : true, yield : true,
description : 'build documentation with gtk-doc'
)
option(
'introspection',
type : 'boolean', value : true, yield : true,
description : 'Whether or not to build a GObject Introspection type library'
)
option(
'gtk3',
type : 'boolean', value : true,
description : 'Whether or not to build the gtk3 library'
)
option(
'help2man',
type : 'boolean', value : true,
description : 'Whether or not to build man pages from --help output'
)
option(
'lua',
type : 'boolean', value : true,
description : 'Whether or not to build the Lua plugin loader'
)
option(
'nls',
type : 'boolean', value : true,
description : 'Install translation files'
)
option(
'perl5',
type : 'boolean', value : true,
description : 'Whether or not to build the Perl plugin loader'
)
option(
'python3',
type : 'boolean', value : true,
description : 'Whether or not to build the Python 3.x plugin loader'
)
option(
'tcc',
type : 'boolean', value : false,
description : 'Whether or not to build the TCC plugin loader'
)
option(
'vapi',
type : 'boolean', value : true,
description : 'Whether or not to build vapi files for gplugin'
)