Fix memory leak in openvz_conf.c
Fix memory leak in openvz_conf.c

If there is no error while executing a function "openvzParseBarrierLimit"
a "str" string where is duplicate of a "value" string isn't freed and it
leads into memory leak.

This has been found by coverity.

Signed-off-by: Pavel Hrdina <d4772d05997b8abf035041e3b4f4996380ea7e7a@redhat.com>

jfehlig/libvirt,datto/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,elmarco/libvirt,crobinso/libvirt,shugaoye/libvirt,elmarco/libvirt,agx/libvirt,eskultety/libvirt,rlaager/libvirt,nertpinx/libvirt,zippy2/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,libvirt/libvirt,datto/libvirt,rlaager/libvirt,elmarco/libvirt,agx/libvirt,nertpinx/libvirt,elmarco/libvirt,nertpinx/libvirt,libvirt/libvirt,VenkatDatta/libvirt,datto/libvirt,zippy2/libvirt,libvirt/libvirt,fabianfreyer/libvirt,olafhering/libvirt,jfehlig/libvirt,jardasgit/libvirt,rlaager/libvirt,agx/libvirt,andreabolognani/libvirt,taget/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,taget/libvirt,jardasgit/libvirt,andreabolognani/libvirt,eskultety/libvirt,andreabolognani/libvirt,agx/libvirt,rlaager/libvirt,olafhering/libvirt,andreabolognani/libvirt,taget/libvirt,taget/libvirt,olafhering/libvirt,elmarco/libvirt,agx/libvirt,zippy2/libvirt,eskultety/libvirt,shugaoye/libvirt,crobinso/libvirt,olafhering/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,crobinso/libvirt,crobinso/libvirt,eskultety/libvirt,libvirt/libvirt,shugaoye/libvirt,jfehlig/libvirt,shugaoye/libvirt,datto/libvirt,rlaager/libvirt,fabianfreyer/libvirt,taget/libvirt,andreabolognani/libvirt,eskultety/libvirt,datto/libvirt,fabianfreyer/libvirt,shugaoye/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,zippy2/libvirt,jardasgit/libvirt,jardasgit/libvirt