patch 8.2.4463: completion only uses strict matching

Problem:    Completion only uses strict matching.
Solution:   Add the "fuzzy" item for 'wildoptions'. (Yegappan Lakshmanan,
            closes #9803)
diff --git a/src/proto/option.pro b/src/proto/option.pro
index b58e79a..373a60c 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -63,7 +63,7 @@
 void set_iminsert_global(void);
 void set_imsearch_global(void);
 void set_context_in_set_cmd(expand_T *xp, char_u *arg, int opt_flags);
-int ExpandSettings(expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file);
+int ExpandSettings(expand_T *xp, regmatch_T *regmatch, char_u *pat, int *numMatches, char_u ***matches);
 int ExpandOldSetting(int *num_file, char_u ***file);
 int shortmess(int x);
 void vimrc_found(char_u *fname, char_u *envname);