$NetBSD: patch-ac,v 1.4 2022/11/27 13:14:00 triaxx Exp $

Compliance with isspace() documentation.

--- src/webadmin.c.orig	2021-07-01 16:59:57.000000000 +0000
+++ src/webadmin.c
@@ -403,12 +403,12 @@ void * adminchild(struct clientparam* pa
 		sb = strchr(buf, ':');
 		if(!sb)continue;
 		++sb;
-		while(isspace(*sb))sb++;
+		while(isspace((unsigned char)*sb))sb++;
 		if(!*sb || strncasecmp(sb, "basic", 5)){
 			continue;
 		}
 		sb+=5;
-		while(isspace(*sb))sb++;
+		while(isspace((unsigned char)*sb))sb++;
 		i = de64((unsigned char *)sb, (unsigned char *)username, 255);
 		if(i<=0)continue;
 		username[i] = 0;
@@ -424,13 +424,13 @@ void * adminchild(struct clientparam* pa
 	}
 	else if(i > 15 && (!strncasecmp(buf, "content-length:", 15))){
 		sb = buf + 15;
-		while(isspace(*sb))sb++;
+		while(isspace((unsigned char)*sb))sb++;
 		sscanf(sb, "%u", &contentlen);
 		if(contentlen > LINESIZE*1024) contentlen = 0;
 	}
 	else if(i > 13 && (!strncasecmp(buf, "content-type:", 13))){
 		sb = buf + 13;
-		while(isspace(*sb))sb++;
+		while(isspace((unsigned char)*sb))sb++;
 		if(!strncasecmp(sb, "x-www-form-urlencoded", 21)) isform = 1;
 	}
  }