patch 8.1.0432: compiler warning for signed/unsigned

Problem:    Compiler warning for signed/unsigned.
Solution:   Add type cast. (Mike Williams)
diff --git a/src/version.c b/src/version.c
index 1d3dc43..a009ef0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    432,
+/**/
     431,
 /**/
     430,
diff --git a/src/xdiff/xemit.c b/src/xdiff/xemit.c
index dae7f80..d8a6f1e 100644
--- a/src/xdiff/xemit.c
+++ b/src/xdiff/xemit.c
@@ -31,7 +31,7 @@
 
 
 static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *ecb) {
-	long size, psize = strlen(pre);
+	long size, psize = (long)strlen(pre);
 	char const *rec;
 
 	size = xdl_get_rec(xdf, ri, &rec);