Third time's a charge.

Thanks to danm@netscape.com for the patch.
Bug #158920


git-svn-id: svn://10.0.0.236/trunk@140607 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/build/cygwin-wrapper

@@ -7,7 +7,7 @@ shift
 if test -z "$prog"; then
     exit 0
 fi
-mountpoint=`mount -p | awk '{ if (/^\//) print $1 }' | head -1`
+mountpoint=`mount -p | awk '{ if (/^\//) { print $1; exit } }'`
 if test -z "$mountpoint"; then
    print "Cannot determine cygwin mount points. Exiting"
    exit 1

mozilla/config/make-jars.pl

@@ -4,7 +4,7 @@
 
 my $cygwin_mountprefix = "";
 if ($^O eq "cygwin") {
-$cygwin_mountprefix = `mount -p | awk '{ if (/^\//) print $1}' | head -1`;
+$cygwin_mountprefix = `mount -p | awk '{ if (/^\//) { print $1; exit } }'`;
 } else {
 # we'll be pulling in some stuff from the script directory
 require FindBin;