Fixed crash when a curency is not available
-rwxr-xr-x 1112 curcy
-rwxr-xr-x 3546 curcy-update
-rw-r--r-- 3393 currencies
drwxr-xr-x - debian
-rw-r--r-- 944 license
drwxr-xr-x - man
drwxr-xr-x - usr