fix busybox http auth if the root user has an empty password

SVN-Revision: 12869

package/busybox/patches/310-passwd_access.patch

@@ -3,7 +3,7 @@
 
 --- a/networking/httpd.c
 +++ b/networking/httpd.c
-@@ -1697,21 +1697,32 @@
+@@ -1697,21 +1697,32 @@ static int check_user_passwd(const char 
  
  		if (ENABLE_FEATURE_HTTPD_AUTH_MD5) {
  			char *md5_passwd;
@@ -17,7 +17,7 @@
 +
 +				pwd = getpwnam(&md5_passwd[4]);
 +				if(!pwd->pw_passwd || !pwd->pw_passwd[0] || pwd->pw_passwd[0] == '!')
-+					continue;
++					return 1;
 +
 +				md5_passwd = pwd->pw_passwd;
 +				goto check_md5_pw;