Makefile: fix target 'clean' - do not fail if files does not exist
-rw-r--r-- 36 .gitignore
-rw-r--r-- 2535 Makefile
drwxr-xr-x - PVE
-rw-r--r-- 260 README
drwxr-xr-x - debian
-rwxr-xr-x 872 extractapi.pl
-rw-r--r-- 371168 pve-api-definition.dat
-rwxr-xr-x 6089 pveclient
-rw-r--r-- 1081 pveclient.adoc
-rw-r--r-- 296 pveclient.bash-completion