Fix a theoretical resource leak spotted by Coverity:  If we are out of malloc space: we leak memory while we collapse.
Fix a theoretical resource leak spotted by Coverity:  If we are out of
malloc space: we leak memory while we collapse.

mrhmouse/Varnish-Cache,zhoualbeart/Varnish-Cache,franciscovg/Varnish-Cache,varnish/Varnish-Cache,chrismoulton/Varnish-Cache,gquintard/Varnish-Cache,ajasty-cavium/Varnish-Cache,chrismoulton/Varnish-Cache,gquintard/Varnish-Cache,gauthier-delacroix/Varnish-Cache,mrhmouse/Varnish-Cache,ajasty-cavium/Varnish-Cache,franciscovg/Varnish-Cache,gauthier-delacroix/Varnish-Cache,gauthier-delacroix/Varnish-Cache,zhoualbeart/Varnish-Cache,feld/Varnish-Cache,zhoualbeart/Varnish-Cache,mrhmouse/Varnish-Cache,chrismoulton/Varnish-Cache,zhoualbeart/Varnish-Cache,gquintard/Varnish-Cache,mrhmouse/Varnish-Cache,ajasty-cavium/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,gquintard/Varnish-Cache,gauthier-delacroix/Varnish-Cache,chrismoulton/Varnish-Cache,gauthier-delacroix/Varnish-Cache,varnish/Varnish-Cache,varnish/Varnish-Cache,franciscovg/Varnish-Cache,feld/Varnish-Cache,mrhmouse/Varnish-Cache,feld/Varnish-Cache,franciscovg/Varnish-Cache,varnish/Varnish-Cache,franciscovg/Varnish-Cache,ajasty-cavium/Varnish-Cache,chrismoulton/Varnish-Cache,ajasty-cavium/Varnish-Cache,zhoualbeart/Varnish-Cache,varnish/Varnish-Cache