File isprint.patch of Package broadcom-wl

diff -U 3 -H -d -r -N -- a/src/wl/sys/wl_iw.h b/src/wl/sys/wl_iw.h
--- a/src/wl/sys/wl_iw.h	2015-09-19 00:47:30.000000000 +0200
+++ b/src/wl/sys/wl_iw.h	2022-09-23 22:37:47.234437371 +0200
@@ -70,7 +70,9 @@
 #define	WL_IW_RSSI_EXCELLENT	-57	
 #define	WL_IW_RSSI_INVALID	 0	
 #define MAX_WX_STRING 80
+#ifndef isprint
 #define isprint(c) bcm_isprint(c)
+#endif
 #define WL_IW_SET_ACTIVE_SCAN	(SIOCIWFIRSTPRIV+1)
 #define WL_IW_GET_RSSI			(SIOCIWFIRSTPRIV+3)
 #define WL_IW_SET_PASSIVE_SCAN	(SIOCIWFIRSTPRIV+5)