patch 8.2.3386: using uninitialized memory

Problem:    Using uninitialized memory.
Solution:   Initialize the rm_ic field. (Dominique Pellé, closes #8800)

src/indent.c

@@ -953,6 +953,7 @@ get_breakindent_win(
 				   RE_MAGIC + RE_STRING + RE_AUTO + RE_STRICT);
 	if (regmatch.regprog != NULL)
 	{
+	    regmatch.rm_ic = FALSE;
 	    if (vim_regexec(&regmatch, line, 0))
 	    {
 		if (wp->w_briopt_list > 0)

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3386,
 /**/
     3385,
 /**/