Subject: libapparmor: fix return value of aa_getpeercon_raw

Return the total size of the security context on success
as documented.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>

libraries/libapparmor/src/kernel_interface.c

@@ -583,6 +583,8 @@ int aa_getpeercon_raw(int fd, char *buffer, int *size)
 			optlen++;
 		}
 	}
+
+	rc = optlen;
 out:
 	*size = optlen;
 	return rc;