Re: [PATCH v2 16/94] builtin/apply: move 'update_index' global into 'struct apply_state'

To libify the apply functionality the 'update_index' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.

Reviewed-by: Stefan Beller <redacted>
Signed-off-by: Christian Couder <redacted>
---
 builtin/apply.c | 45 ++++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/builtin/apply.c b/builtin/apply.c
index 97af6ea..635a9ff 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c

@@ -39,6 +39,7 @@ struct apply_state {
 	int check_index;
 
 	int unidiff_zero;
+	int update_index;