consistency tweak to package LATTE Install.sh file

src/LATTE/Install.sh

@@ -29,7 +29,7 @@ action () {
 # all package files with no dependencies
 
 for file in *.cpp *.h; do
-  action $file
+  test -f ${file} && action $file
 done
 
 # edit 2 Makefile.package files to include/exclude package info