git: ignore reformatting change of netrw plugin

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 3ff6273..4d06407 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -12,3 +12,4 @@
 3cf094edaff815141d9941b8dba52b9e77d8dfc1
 # change indentation style of netrw plugin
 c363ca1ecd1f8db03663ef98dcf41eeacc3c22c7
+c673b805ad80d0aef07e745d412a2bf298ba1c07