Merge pull request #546 from proski/jpeg-warning

Fix a warning in jpeg compression code with --enable-jpeg

libxrdp/xrdp_jpeg_compress.c

@@ -365,6 +365,8 @@ jpeg_compress(char *in_data, int width, int height,
                 *(dst8++) = red;
             }
 
+            if (width > 0)
+            {
                 for (i = 0; i < e; i++)
                 {
                     *(dst8++) = blue;
@@ -373,6 +375,7 @@ jpeg_compress(char *in_data, int width, int height,
                 }
             }
         }
+    }
     else
     {
         g_writeln("bpp wrong %d", bpp);