gnome: fix genmarshal .c file generation
The .c file shouldn't contain the header bits as well.
@@ -927,7 +927,7 @@ class GnomeModule(ExtensionModule):
if arg in kwargs:
custom_kwargs[arg] = kwargs[arg]
- custom_kwargs['command'] = cmd + ['--header', '--body', '@INPUT@']
+ custom_kwargs['command'] = cmd + ['--body', '@INPUT@']
custom_kwargs['output'] = output + '.c'
body = build.CustomTarget(output + '_c', state.subdir, custom_kwargs)
