Fix incorrect fixed point division result

Division was not returning the result as raw.

src/gba/fixed.cpp

@@ -51,7 +51,7 @@ GBA_IWRAM fixed fixed::operator/(fixed rhs) const {
 			[d] "r" (rhs.x)
 			   :  "r0", "r1", "r2", "r3"
 				   );
-	return raw_result;
+	return from_raw(raw_result);
 }
 
 } // namespace mtl