[libhandy] icons: Add avatar-default-symbolic

[Alexander Mikhaylenko <alexm src gnome org>]

commit d84fad380cf81930e1fd602b488baf55732f1d9f
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Thu Jun 25 16:34:51 2020 +0200

    icons: Add avatar-default-symbolic
    
    This ensures HdyAvatar will work even if the runtime doesn't provide the
    icon.

 src/handy.gresources.xml              | 1 +
 src/icons/avatar-default-symbolic.svg | 3 +++
 2 files changed, 4 insertions(+)
---
diff --git a/src/handy.gresources.xml b/src/handy.gresources.xml
index f19ba862..b96444b5 100644
--- a/src/handy.gresources.xml
+++ b/src/handy.gresources.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/sm/puri/handy">
+    <file preprocess="xml-stripblanks">icons/avatar-default-symbolic.svg</file>
     <file preprocess="xml-stripblanks">icons/hdy-expander-arrow-symbolic.svg</file>
     <file compressed="true">themes/Adwaita.css</file>
     <file compressed="true">themes/Adwaita-dark.css</file>
diff --git a/src/icons/avatar-default-symbolic.svg b/src/icons/avatar-default-symbolic.svg
new file mode 100644
index 00000000..ec0905d9
--- /dev/null
+++ b/src/icons/avatar-default-symbolic.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg"; width="16" height="16">
+    <path d="M8 1a3 3 0 100 6 3 3 0 000-6zM6.5 8A4.49 4.49 0 002 12.5V14c0 1 1 1 1 1h10s1 0 1-1v-1.5A4.49 
4.49 0 009.5 8z" style="marker:none" color="#bebebe" overflow="visible" fill="#2e3436"/>
+</svg>