dlclose fix
dlclose fix

Patch is from Timo Teras

Refs.:
 http://lists.uclibc.org/pipermail/uclibc/2012-October/047059.html
 http://git.alpinelinux.org/cgit/aports/tree/main/libc0.9.32/uclibc-dlclose-fix.patch

kraj/uclibc-ng,wbx-github/uclibc-ng,kraj/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,wbx-github/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,wbx-github/uclibc-ng,brgl/uclibc-ng,brgl/uclibc-ng,wbx-github/uclibc-ng,kraj/uclibc-ng,brgl/uclibc-ng,brgl/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,kraj/uclibc-ng