Add some headers that were transitively included by the JIT

src/ARM.cpp

@@ -17,6 +17,7 @@
 */
 
 #include <stdio.h>
+#include <assert.h>
 #include <algorithm>
 #include "NDS.h"
 #include "DSi.h"

src/DSi.cpp

@@ -17,6 +17,7 @@
 */
 
 #include <stdio.h>
+#include <assert.h>
 #include <string.h>
 #include <inttypes.h>
 #include "Args.h"