patch 9.1.1178: not possible to generate completion candidates using fuzzy matching

Problem:  not possible to generate completion candidates using fuzzy
          matching
Solution: add the 'completefuzzycollect' option for (some) ins-completion
          modes (glepnir)

fixes #15296
fixes #15295
fixes #15294
closes: #16032

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/proto/insexpand.pro b/src/proto/insexpand.pro
index 9dfbd91..8d96164 100644
--- a/src/proto/insexpand.pro
+++ b/src/proto/insexpand.pro
@@ -24,7 +24,7 @@
 int has_compl_option(int dict_opt);
 int vim_is_ctrl_x_key(int c);
 int ins_compl_accept_char(int c);
-int ins_compl_add_infercase(char_u *str_arg, int len, int icase, char_u *fname, int dir, int cont_s_ipos);
+int ins_compl_add_infercase(char_u *str_arg, int len, int icase, char_u *fname, int dir, int cont_s_ipos, int score);
 int ins_compl_has_shown_match(void);
 int ins_compl_long_shown_match(void);
 unsigned int get_cot_flags(void);