Fix Hasselblad model name when using LibRaw

The model, rather than the normalized model, gives the name that matches
those given by dcraw for Hasselblad cameras. This is important for
matching the model name in camconst.json.

rtengine/rawimage.cc

@@ -548,6 +548,12 @@ int RawImage::loadRaw(bool loadData, unsigned int imageNum, bool closeFile, Prog
         colors = d.colors;
         tiff_bps = 0;
 
+        if (!strcmp("Hasselblad", make)) {
+            // For Hasselblad, "model" provides the better name.
+            strncpy(model, d.model, sizeof(model) - 1);
+            model[sizeof(model) - 1] = 0;
+        }
+
         if (merged_pixelshift.is_merged_pixelshift ||
             (strncmp(libraw->unpack_function_name(), "sony_arq_load_raw", 17) == 0 &&
                 is_raw == 1 && colors == 4)) {