[template-glib] build: be consistent about build params

[Christian Hergert <chergert src gnome org>]

commit f9308aca582196a3852274abecf4655ec5b7266e
Author: Christian Hergert <chergert redhat com>
Date:   Sun Jun 18 20:34:55 2017 -0700

    build: be consistent about build params

 meson.build       |    2 +-
 meson_options.txt |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 7f8582f..2e7e9c6 100644
--- a/meson.build
+++ b/meson.build
@@ -101,6 +101,6 @@ subdir('src')
 subdir('tests')
 subdir('po')
 
-if get_option('enable-gtk-doc')
+if get_option('enable_gtk_doc')
   subdir('doc')
 endif
diff --git a/meson_options.txt b/meson_options.txt
index 94f72c7..59bd279 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -12,7 +12,7 @@ option('package_subdir', type: 'string',
   description: 'Private sub-directory used when built as a subproject'
 )
 
-option('enable-gtk-doc',
+option('enable_gtk_doc',
        type: 'boolean', value: false,
        description: 'Whether to generate the API reference for Template-GLib')