cmapctl: Free bin_value on error

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
(cherry picked from commit 8ff7760ce5ba5e23cbdd0124a254a41aee6033ab)

tools/corosync-cmapctl.c

@@ -301,6 +301,12 @@ static void print_key(cmap_handle_t handle,
 	if (err != CS_OK) {
 		fprintf(stderr, "Can't get value of %s. Error %s\n", key_name, cs_strerror(err));
 
+		/*
+		 * bin_value was newly allocated
+		 */
+		if (bin_value != NULL && value == NULL) {
+			free(bin_value);
+		}
 		return ;
 	}