Fix symlink detection (again) so that relative symlinks work and the binary is executed from the cwd, not the installation directory.

Thanks to Andrew Schultz <ajschult@eos.ncsu.edu> for the patch.
Bug #57866 r=cls

xpfe/bootstrap/mozilla.in

@@ -16,7 +16,7 @@
 # Reserved.
 #
 
-## $Id: mozilla.in,v 1.1 2002-04-25 02:51:10 seawood%netscape.com Exp $
+## $Id: mozilla.in,v 1.2 2002-06-13 12:16:52 seawood%netscape.com Exp $
 ## 
 ## Usage:
 ##
@@ -50,12 +50,7 @@ else
     found=1
   else
     here=`/bin/pwd`
-    until test $found != 0 -o ! -L "$progname" ; do
-      run_moz="$curdir/run-mozilla.sh"
-      if [ -x $run_moz ]; then
-        dist_bin=$curdir
-        found=1
-      else
+    while [ -h "$progname" ]; do
       bn=`basename "$progname"`
       cd `dirname "$progname"`
       progname=`/bin/ls -l "$bn" |sed -e 's/^.* -> //' `
@@ -63,6 +58,12 @@ else
         break
       fi
       curdir=`dirname $progname`
+      run_moz="$curdir/run-mozilla.sh"
+      if [ -x $run_moz ]; then
+        cd $curdir
+        dist_bin=`pwd`
+        found=1
+        break
       fi
     done
     cd $here