append_syscall_to_bpf(): Explicit type cast to fix (C++) warnings

qssb.h

@@ -740,7 +740,7 @@ static void append_syscalls_to_bpf(long *syscalls, size_t n, unsigned int action
 		long syscall = syscalls[i];
 		if(syscall != QSSB_SYSCALL_MATCH_ALL)
 		{
-			struct sock_filter syscall_check = BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, syscall, 0, 1);
+			struct sock_filter syscall_check = BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, (unsigned int) syscall, 0, 1);
 			filter[(*start_index)++] = syscall_check;
 		}
 		struct sock_filter syscall_action = BPF_STMT(BPF_RET+BPF_K, action);
@@ -980,7 +980,7 @@ static int check_policy_sanity(struct qssb_policy *policy)
 		int i = 0;
 		int last_match_all = -1;
 		int match_all_policy = 0;
-		int last_policy;
+		int last_policy = 0;
 		while(syscall_policy)
 		{
 			long *syscall;