Fixed an arbitrary return value in temp permissions init

src/temp_permissions_table.c

@@ -75,6 +75,7 @@ unsigned long long get_process_creation_time(pid_t pid) {
 int init_temp_permissions_table() {
   pthread_mutex_init(&temp_permissions_table_lock, PTHREAD_MUTEX_DEFAULT);
   init(&temp_permissions_table);
+  return 0;
 }
 
 /**
@@ -225,7 +226,6 @@ int give_temp_access(const char *filename, struct process_info pi) {
   push(&new_permission_entry.allowed_files, strdup(filename));
 
   insert(&temp_permissions_table, pi.PID, new_permission_entry);
-  printf("temp_permissions_table size: %ld\n", size(&temp_permissions_table));
 
   pthread_mutex_unlock(&temp_permissions_table_lock);
   return 0;