Revise Windows build script, correct comment re NetWare in libmysql.c

Build-tools/Do-win-build:
  Copy logfile for pickup by Do-compile-win
libmysql/libmysql.c:
  Comment was previously inaccurate

Build-tools/Do-win-build

@@ -22,6 +22,7 @@ if (!$opt_builddir) {
 $opt_tarball =~ /(mysql[^\/]*)-win-src\.tar/;
 $mysqlver=$1;
 $basedir = "$opt_builddir/$mysqlver";
+$scriptdir = `pwd`;
 
 # Make sure build dir exists
 mkdir($opt_builddir);
@@ -47,6 +48,8 @@ chdir($mysqlver);
 
 system("\"$MSDEV\" mysql.dsw /MAKE \"ALL\" /OUT $mysqlver-build.log");
 
+system("cp $mysqlver-build.log $scriptdir");
+
 #
 # Print a help text message
 #

libmysql/libmysql.c

@@ -585,7 +585,7 @@ char* getlogin(void);
 
 
 #if defined(__NETWARE__)
-/* default to "root" on NetWare */
+/* Default to value of USER on NetWare, if unset use "UNKNOWN_USER" */
 static void read_user_name(char *name)
 {
   char *str=getenv("USER");