add gcc to the default PATH in nixu

svn path=/nixu/trunk/; revision=1840

boot/builder.sh

@@ -33,6 +33,7 @@ for i in $boot $halt $login $env; do
         -e "s^@gnutar\@^$gnutar^g" \
         -e "s^@gnugrep\@^$gnugrep^g" \
         -e "s^@gzip\@^$gzip^g" \
+        -e "s^@gcc\@^$gcc^g" \
         -e "s^@out\@^$out^g" \
         < $i > $dst
     chmod +x $dst