[gtk: 1/2] icons: Rename two icons which had the wrong extension

[Matthias Clasen <matthiasc src gnome org>]

commit 5807fee893dea0a80d2f499b86cebbd79e0e0f0a
Author: Emmanuel Gil Peyrot <linkmauve linkmauve fr>
Date:   Sun Mar 7 18:58:57 2021 +0100

    icons: Rename two icons which had the wrong extension
    
    Fixes two warnings when opening the inspector on my PinePhone, these two
    files were attempted to be loaded as PNG (as per the extension) instead
    of SVG.
    
    Signed-off-by: Emmanuel Gil Peyrot <linkmauve linkmauve fr>

 .../actions/{value-decrease-symbolic.png => value-decrease-symbolic.svg}  | 0
 .../actions/{value-increase-symbolic.png => value-increase-symbolic.svg}  | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/gtk/icons/scalable/actions/value-decrease-symbolic.png 
b/gtk/icons/scalable/actions/value-decrease-symbolic.svg
similarity index 100%
rename from gtk/icons/scalable/actions/value-decrease-symbolic.png
rename to gtk/icons/scalable/actions/value-decrease-symbolic.svg
diff --git a/gtk/icons/scalable/actions/value-increase-symbolic.png 
b/gtk/icons/scalable/actions/value-increase-symbolic.svg
similarity index 100%
rename from gtk/icons/scalable/actions/value-increase-symbolic.png
rename to gtk/icons/scalable/actions/value-increase-symbolic.svg