Fix size calculation in realloc.
Fix size calculation in realloc.

jerluc/wmii,sigmavirus24/wmii,Sirikid/wmii,rvedam/wmii,darkfeline/wmii,wingyplus/wmii,rvedam/wmii,Sirikid/wmii,darkfeline/wmii,Sirikid/wmii,sigmavirus24/wmii,Sirikid/wmii,darkfeline/wmii,wingyplus/wmii,sigmavirus24/wmii,Sirikid/wmii,wingyplus/wmii,jerluc/wmii,sigmavirus24/wmii,darkfeline/wmii,rvedam/wmii,darkfeline/wmii,wingyplus/wmii,jerluc/wmii,wingyplus/wmii,jerluc/wmii,jerluc/wmii,rvedam/wmii,rvedam/wmii,sigmavirus24/wmii