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-rw-r--r--src/nvim/spellsuggest.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/nvim/spellsuggest.c b/src/nvim/spellsuggest.c
index 2ff41d5157..fbe2ec837b 100644
--- a/src/nvim/spellsuggest.c
+++ b/src/nvim/spellsuggest.c
@@ -3530,7 +3530,7 @@ static int soundalike_score(char *goodstart, char *badstart)
/// The implementation of the algorithm comes from Aspell editdist.cpp,
/// edit_distance(). It has been converted from C++ to C and modified to
/// support multi-byte characters.
-static int spell_edit_score(slang_T *slang, char_u *badword, char_u *goodword)
+static int spell_edit_score(slang_T *slang, const char_u *badword, const char_u *goodword)
{
int *cnt;
int j, i;
@@ -3635,7 +3635,8 @@ static int spell_edit_score_limit(slang_T *slang, char_u *badword, char_u *goodw
/// Multi-byte version of spell_edit_score_limit().
/// Keep it in sync with the above!
-static int spell_edit_score_limit_w(slang_T *slang, char_u *badword, char_u *goodword, int limit)
+static int spell_edit_score_limit_w(slang_T *slang, const char_u *badword, const char_u *goodword,
+ int limit)
{
limitscore_T stack[10]; // allow for over 3 * 2 edits
int stackidx;