Move Arc4 to the new Cipher/Stream subdirectory.

ChaosTests/CMakeLists.txt

@@ -16,8 +16,8 @@ set(ChaosTests_SOURCE SanCallbacks.cpp
                       Hash/Md5HasherTests.cpp
                       Hash/Sha1HasherTests.cpp
                       Mac/HmacTests.cpp
-                      Cipher/Arc4/Arc4GenTests.cpp
-                      Cipher/Arc4/Arc4CryptTests.cpp
+                      Cipher/Stream/Arc4/Arc4GenTests.cpp
+                      Cipher/Stream/Arc4/Arc4CryptTests.cpp
                       Cipher/Block/Des/DesCryptTests.cpp
                       Cipher/Block/Mode/EcbModeTests.cpp
                       Padding/PadderPkcs7Tests.cpp