Move all core types into namespaces (#1886)

* Reorganize namespaces

- Most types are now moved into the `melonDS` namespace
- Only good chance to do this for a while, since a big refactor is next

* Fix the build

1 files changed, 3 insertions, 0 deletions

diff --git a/src/SPI.h b/src/SPI.h
index bf665d9..c889fb5 100644
--- a/src/SPI.h
+++ b/src/SPI.h
@@ -28,6 +28,8 @@
 #include "Savestate.h"
 #include "SPI_Firmware.h"
 
+namespace melonDS
+{
 enum
 {
     SPIDevice_PowerMan = 0,
@@ -164,4 +166,5 @@ private:
     SPIDevice* Devices[3];
 };
 
+}
 #endif