doc: Fix .gitignore for 'doc' directory

caused by: 156e55b7f95bb7f1d73e1131d94aca75fb339315

Fixes: #11574
Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/doc/.gitignore b/doc/.gitignore
index 0c7c74746ae9461d84dd5ee3cd84fbc1e46cb881..aca7518a3ee0a8bb874da5f422fb279729b3225d 100644 (file)
--- a/doc/.gitignore
+++ b/doc/.gitignore
@@ -1,2 +1,3 @@
 /overview.png
 /object_store.png
+/Makefile