[gjs: 1/2] GObject: Add convenience wrapper for signal_handler_(un)block()

[Philip Chimento <pchimento src gnome org>]

commit c7d01ffc934477306fd3a6a74c5a2d87ea4a211e
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Aug 13 17:24:03 2019 +0200

    GObject: Add convenience wrapper for signal_handler_(un)block()
    
    Just like the existing disconnect(), those functions are more
    idiomatic as object methods than the underlying static functions.
    
    https://gitlab.gnome.org/GNOME/gjs/merge_requests/326

 modules/overrides/GObject.js | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/modules/overrides/GObject.js b/modules/overrides/GObject.js
index d33f7429..86b7fae2 100644
--- a/modules/overrides/GObject.js
+++ b/modules/overrides/GObject.js
@@ -473,6 +473,12 @@ function _init() {
     GObject.Object.prototype.disconnect = function(id) {
         return GObject.signal_handler_disconnect(this, id);
     };
+    GObject.Object.prototype.block_signal_handler = function(id) {
+        return GObject.signal_handler_block(this, id);
+    };
+    GObject.Object.prototype.unblock_signal_handler = function(id) {
+        return GObject.signal_handler_unblock(this, id);
+    };
 
     // A simple workaround if you have a class with .connect, .disconnect or .emit
     // methods (such as Gio.Socket.connect or NMClient.Device.disconnect)