patch 9.2.0097: Memory leak in qf_push_dir()

Problem:  Memory leak in qf_push_dir() (after v9.2.0091)
Problem:  free dirname, if it is not a directory.

closes: #19552

Signed-off-by: Christian Brabandt <cb@256bit.org>

src/quickfix.c

@@ -2841,7 +2841,7 @@ qf_push_dir(char_u *dirbuf, struct dir_stack_T **stackptr, int is_file_stack)
 		(*stackptr)->dirname = dirname;
 		break;
 	    }
-
+	    vim_free(dirname);
 	    ds_new = ds_new->next;
 	}
 

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    97,
 /**/
     96,
 /**/