[gtk/ebassi/for-master] docs: Add more private headers

[Emmanuele Bassi <ebassi src gnome org>]

commit 044e3de9cd8468fdc58fbfac8cdcc0dbfe9e1612
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Dec 15 14:07:11 2020 +0000

    docs: Add more private headers

 docs/reference/gtk/meson.build | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/docs/reference/gtk/meson.build b/docs/reference/gtk/meson.build
index 6b3e5f30fa..db1ab677f3 100644
--- a/docs/reference/gtk/meson.build
+++ b/docs/reference/gtk/meson.build
@@ -20,13 +20,16 @@ private_headers = [
   'gtkbindingsprivate.h',
   'gtkbitmaskprivateimpl.h',
   'gtkbitmaskprivate.h',
+  'gtkbuildableprivate.h',
   'gtkbuilderprivate.h',
   'gtkbuilderscopeprivate.h',
+  'gtkbuiltiniconprivate.h',
   'gtkbuttonprivate.h',
   'gtkcellareaboxcontextprivate.h',
   'gtkcheckbuttonprivate.h',
   'gtkcolorchooserprivate.h',
   'gtkcoloreditorprivate.h',
+  'gtkcolorpickerprivate.h',
   'gtkcolorplaneprivate.h',
   'gtkcolorscaleprivate.h',
   'gtkcolorswatchprivate.h',
@@ -145,6 +148,7 @@ private_headers = [
   'gtkimcontextsimpleprivate.h',
   'gtkimmoduleprivate.h',
   'gtkintl.h',
+  'gtkistringprivate.h',
   'gtkkineticscrollingprivate.h',
   'gtklabelprivate.h',
   'gtklistbaseprivate.h',
@@ -159,6 +163,7 @@ private_headers = [
   'gtkmenusectionboxprivate.h',
   'gtkmenutrackeritemprivate.h',
   'gtkmenutrackerprivate.h',
+  'gtkmodelbuttonprivate.h',
   'gtkmodulesprivate.h',
   'gtkmountoperationprivate.h',
   'gtknativedialogprivate.h',
@@ -189,6 +194,7 @@ private_headers = [
   'gtksearchenginequartz.h',
   'gtksearchenginetracker3.h',
   'gtksearchentryprivate.h',
+  'gtksecurememoryprivate.h',
   'gtksettingsprivate.h',
   'gtkshortcutcontrollerprivate.h',
   'gtkshortcutsshortcutprivate.h',
@@ -197,6 +203,7 @@ private_headers = [
   'gtksizegroup-private.h',
   'gtksizerequestcacheprivate.h',
   'gtksnapshotprivate.h',
+  'gtksortkeysprivate.h',
   'gtkstyleanimationprivate.h',
   'gtkstylecascadeprivate.h',
   'gtkstylecontextprivate.h',
@@ -211,7 +218,10 @@ private_headers = [
   'gtktextlayoutprivate.h',
   'gtktextlinedisplaycacheprivate.h',
   'gtktextmarkprivate.h',
+  'gtktextprivate.h',
   'gtktexttagprivate.h',
+  'gtktextutil.h',
+  'gtktextviewchildprivate.h',
   'gtktextviewprivate.h',
   'gtktogglebuttonprivate.h',
   'gtktoolbarprivate.h',
@@ -228,7 +238,10 @@ private_headers = [
   'gtkwin32themeprivate.h',
   'gtkwindowprivate.h',
 
+  'gsettings-mapping.h',
+  'gskpango.h',
   'gtkdbusgenerated.h',
+  'language-names.h',
   'imm-extra.h',
   'text-input-unstable-v3-client-protocol.h',
 
@@ -236,6 +249,7 @@ private_headers = [
   'inspector',
   'roaring',
   'timsort',
+  'tools',
 ]
 
 images = [