patch 8.2.4895: buffer overflow with invalid command with composing chars

Problem:    Buffer overflow with invalid command with composing chars.
Solution:   Check that the whole character fits in the buffer.
diff --git a/src/version.c b/src/version.c
index 0857bcb..df30685 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4895,
+/**/
     4894,
 /**/
     4893,