[gnome-calendar] editorconfig: Update tab width

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 560419ed8aec60f3e5d5b561a10083430f144915
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat May 4 10:18:21 2019 -0300

    editorconfig: Update tab width

 .editorconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.editorconfig b/.editorconfig
index dfa12dd2..1eafeae8 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,7 +12,7 @@ indent_style = space
 
 [*.c]
 indent_size = 2
-tab_width = 8
+tab_width = 2
 max_line_length = 120
 
 # Tab indentation (no size specified)