Fix a path in 50ChangePassword script

50ChangePassword was looking in commondir instead of scriptsdir for
snf-passtohash.py

snf-image-helper/tasks/50ChangePassword.in

@@ -31,7 +31,7 @@ linux_password() {
     local target=$1
     local password=$2
 
-    local hash=$(@commondir@/snf-passtohash.py $password)
+    local hash=$(@scriptsdir@/snf-passtohash.py $password)
     if [ ! -e ${target}/etc/shadow ]; then
        log_error "No /etc/shadow found!" 
     fi

snf-image-helper/tasks/Makefile.am

@@ -16,7 +16,9 @@ edit = sed \
 	   -e 's|@sysconfdir[@]|$(sysconfdir)|g' \
 	   -e 's|@localstatedir[@]|$(localstatedir)|g' \
 	   -e 's|@datarootdir[@]|$(datarootdir)|g' \
-	   -e 's|@commondir[@]|$(commondir)|g'
+	   -e 's|@commondir[@]|$(commondir)|g' \
+	   -e 's|@scriptsdir[@]|$(scriptsdir)|g'
+
 
 %:%.in Makefile
 	rm -f $@ $@.tmp