slight cleanup

include/JSystem/JSupport/JSupport.h

@@ -0,0 +1,13 @@
+#ifndef JSUPPORT_H
+#define JSUPPORT_H
+
+template <typename T>
+T* JSUConvertOffsetToPtr(const void* ptr, const void* offset) {
+    if (ptr == NULL) {
+        return NULL;
+    } else {
+        return (T*) ((s32)ptr + (s32)offset);
+    }
+}
+
+#endif