This fixes the following error:
| checking for jpeg_destroy_decompress in -ljpeg... no
| configure: WARNING: *** JPEG loader will not be built (JPEG library not found) ***
| configure: error:
| *** Checks for JPEG loader failed. You can build without it by passing
| *** --without-libjpeg to configure but some programs using GTK+ may
| *** not work properly
| FATAL: oe_runconf failed
