Hardwiring in xauth path so that user does not have to install xauth to run the tightvnc server

svn path=/nixpkgs/trunk/; revision=9580

pkgs/tools/admin/tightvnc/builder.sh

@@ -9,6 +9,10 @@ buildPhase() {
 	cd Xvnc
 	sed -e 's@.* CppCmd .*@#define CppCmd		'$gcc'/bin/cpp@' -i config/cf/linux.cf 
 	sed -e 's@.* CppCmd .*@#define CppCmd		'$gcc'/bin/cpp@' -i config/cf/Imake.tmpl 
+        sed -i \
+               -e 's@"uname","xauth","Xvnc","vncpasswd"@"uname","Xvnc","vncpasswd"@g' \
+               -e "s@\<xauth\>@$xauth/bin/xauth@g" \
+               ../vncserver
 	./configure
 	make
 	cd ..