patch 8.2.4479: no fuzzy completieon for maps and abbreviations

Problem:    No fuzzy completieon for maps and abbreviations.
Solution:   Fuzzy complete maps and abbreviations. (Yegappan Lakshmanan,
            closes #9856)
diff --git a/src/search.c b/src/search.c
index 063058d..98241a4 100644
--- a/src/search.c
+++ b/src/search.c
@@ -5006,7 +5006,7 @@
     if (str == NULL || pat == NULL)
 	return 0;
 
-    fuzzy_match(str, pat, FALSE, &score, matchpos,
+    fuzzy_match(str, pat, TRUE, &score, matchpos,
 				sizeof(matchpos) / sizeof(matchpos[0]));
 
     return score;