[libpeas] build: fix naming of Python 2 loader

[Christian Hergert <chergert src gnome org>]

commit d012f7b4ff98ed26c74788696b652c65ea2884cd
Author: Martin Wimpress <code flexion org>
Date:   Mon Oct 7 10:47:27 2019 +0100

    build: fix naming of Python 2 loader
    
    The Python 2 loader is still named `pythonloader`. This fixes the name
    of the loader so that it is properly loaded.

 loaders/python/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/loaders/python/meson.build b/loaders/python/meson.build
index 89346a2..1629496 100644
--- a/loaders/python/meson.build
+++ b/loaders/python/meson.build
@@ -1,4 +1,4 @@
-python2_loader_name = 'python2loader'
+python2_loader_name = 'pythonloader'
 
 pygobject_version = pygobject_dep.version()
 pygobject_version_arr = pygobject_version.split('.')