Couple of minor Jucer updates.

extras/Jucer (experimental)/Source/Project/jucer_ProjectExport_MSVC.h

@@ -312,7 +312,7 @@ protected:
             dataBlock.writeInt (0); // clr used
             dataBlock.writeInt (0); // clr important
 
-            const Image::BitmapData bitmap (image, false);
+            const Image::BitmapData bitmap (image, Image::BitmapData::readOnly);
             const int alphaThreshold = 5;
 
             int y;

extras/Jucer (experimental)/Source/Project/jucer_ProjectExport_XCode.h

@@ -260,7 +260,7 @@ private:
                 data.write (type, 4);
                 data.writeIntBigEndian (8 + 4 * w * h);
 
-                const Image::BitmapData bitmap (image, false);
+                const Image::BitmapData bitmap (image, Image::BitmapData::readOnly);
 
                 int y;
                 for (y = 0; y < h; ++y)