patch 8.2.4732: duplicate code to free fuzzy matches

Problem:    Duplicate code to free fuzzy matches.
Solution:   Bring back fuzmatch_str_free().
diff --git a/src/proto/search.pro b/src/proto/search.pro
index 0548fca..8fa01da 100644
--- a/src/proto/search.pro
+++ b/src/proto/search.pro
@@ -41,5 +41,6 @@
 void f_matchfuzzy(typval_T *argvars, typval_T *rettv);
 void f_matchfuzzypos(typval_T *argvars, typval_T *rettv);
 int fuzzy_match_str(char_u *str, char_u *pat);
-int fuzzymatches_to_strmatches(fuzmatch_str_T *fuzmatch, char_u ***matches, int	count, int funcsort);
+void fuzmatch_str_free(fuzmatch_str_T *fuzmatch, int count);
+int fuzzymatches_to_strmatches(fuzmatch_str_T *fuzmatch, char_u ***matches, int count, int funcsort);
 /* vim: set ft=c : */