[PATCH 1 of 2] Use default path

[Wald Commits]

# HG changeset patch
# User Sascha Wilde <wilde at intevation.de>
# Date 1404147571 -7200
# Node ID 578860edde536e0ab2a9a1b18d47b46bf8b07b93
# Parent  a5a709c6ce93eb146d04c908d8cbfe560042522b
Use default path.

diff -r a5a709c6ce93 -r 578860edde53 packaging/linux-installer.inc.in
--- a/packaging/linux-installer.inc.in	Mon Jun 30 18:33:26 2014 +0200
+++ b/packaging/linux-installer.inc.in	Mon Jun 30 18:59:31 2014 +0200
@@ -21,6 +21,8 @@
 echo -n "Select installation prefix for TrustBridge [${PREFIX}]: "
 read -e path
 
+[ -z "$path" ] && path="${PREFIX}"
+
 echo "Installing to '$path':"
 
 if [ ! -d "$path" ] ; then