patch 7.4.1429

Problem:    On MS-Windows, when not use renderoptions=type:directx, drawing
            emoji will be broken.
Solution:   Fix usage of unicodepdy. (Yasuhiro Matsumoto)

src/gui_w32.c

@@ -6658,7 +6658,13 @@ gui_mch_draw_string(
 		/* Use unicodepdy to make characters fit as we expect, even
 		 * when the font uses different widths (e.g., bold character
 		 * is wider).  */
-		unicodepdy[clen] = cw * gui.char_width;
+		if (c >= 0x10000)
+		{
+		    unicodepdy[wlen - 2] = cw * gui.char_width;
+		    unicodepdy[wlen - 1] = 0;
+		}
+		else
+		    unicodepdy[wlen - 1] = cw * gui.char_width;
 	    }
 	    cells += cw;
 	    i += utfc_ptr2len_len(text + i, len - i);

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1429,
 /**/
     1428,
 /**/