Updated for compatibility.

Problem: In src/gui/control/keyword_list.cpp and src/render/text/element.cpp, there are two characters that I cannot identify. I can't make it work, I just get the error "Invalid multibyte character.

Bug: Keywords do not register when they're in lowercase (flying vs Flying, for instance)

src/gui/image_slice_window.cpp

@@ -366,7 +366,7 @@ void ImageSlicePreview::draw(DC& dc) {
 			bitmap = Bitmap(image.GetWidth(), image.GetHeight());
 			wxMemoryDC mdc; mdc.SelectObject(bitmap);
 			// draw checker pattern behind image
-			RealRect rect = GetClientSize();
+			RealRect rect = (RealRect) GetClientSize();
 			RotatedDC rdc(mdc, 0, rect, 1, QUALITY_LOW);
 			draw_checker(rdc, rect);
 			rdc.DrawImage(image, RealPoint(0,0));