patch 9.0.1699: compile warning for xdiff/xutils on MS-Windows

[Christian Brabandt]

patch 9.0.1699: compile warning for xdiff/xutils on MS-Windows

Commit: https://github.com/vim/vim/commit/6c313bbb043745a60a7ee30a78edb907260b764a
Author: Mike Williams <mi...@globalgraphics.com>
Date: Sat Aug 12 20:47:43 2023 +0200

patch 9.0.1699: compile warning for xdiff/xutils on MS-Windows

Problem: compile warning for xdiff/xutils on MS-Windows
Solution: add explicit type cast from size_t to long

closes: #12531

Signed-off-by: Christian Brabandt <c...@256bit.org>
Co-authored-by: Mike Williams <mi...@globalgraphics.com>

diff --git a/src/version.c b/src/version.c
index 16ebc614f..b09052c1d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -695,6 +695,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 1699,
/**/
1698,
/**/
diff --git a/src/xdiff/xutils.c b/src/xdiff/xutils.c
index a4370e610..fde0afb48 100644
--- a/src/xdiff/xutils.c
+++ b/src/xdiff/xutils.c
@@ -442,7 +442,7 @@ void* xdl_alloc_grow_helper(void *p, long nr, long *alloc, size_t size)
if (SIZE_MAX / size >= n)
tmp = xdl_realloc(p, n * size);
if (tmp) {
- *alloc = n;
+ *alloc = (long)n;
} else {
xdl_free(p);
*alloc = 0;