Fix: crash in spell checking with a 0x300 character.
diff --git a/src/spell.c b/src/spell.c
index eb04c29..8ae264d 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -14493,8 +14493,11 @@
if (n >= 0)
{
- /* check all rules for the same index byte */
- for (; ((ws = smp[n].sm_lead_w)[0] & 0xff) == (c & 0xff); ++n)
+ /* Check all rules for the same index byte.
+ * If c is 0x300 need extra check for the end of the array, as
+ * (c & 0xff) is NUL. */
+ for (; ((ws = smp[n].sm_lead_w)[0] & 0xff) == (c & 0xff)
+ && ws[0] != NUL; ++n)
{
/* Quickly skip entries that don't match the word. Most
* entries are less then three chars, optimize for that. */