Fix segfault with no-arg invocation of cryptest program (GH #1141)

This break was introduced at 6f3fd26ab849ac71

1 files changed, 1 insertions, 1 deletions

diff --git a/test.cpp b/test.cpp
index 73ab4392..842fde8e 100644
--- a/test.cpp
+++ b/test.cpp
@@ -426,7 +426,7 @@ int scoped_main(int argc, char *argv[])
 		else if (command == "h")

 		{

 			FileSource usage(DataDir("TestData/usage.dat").c_str(), true, new FileSink(std::cout));

-			return argv[1][0] == 'h' ? 0 : 1;

+			return argc >= 2 && argv[1][0] == 'h' ? 0 : 1;

 		}

 		else if (command == "V")

 		{