OOPS! Don't overwrite the trailing \0 from the skin text with the first alloc (should fix FS#12388)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30998 a1c6a512-1295-4272-9138-f99709370657

apps/gui/skin_engine/skin_parser.c

@@ -2191,6 +2191,7 @@ bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
         close(fd);
         if (start <= 0)
             return false;
+        start++;
         skin_buffer = &wps_buffer[start];
         buffersize -= start;
     }