added missing wb_err.h header to websearch makefile
added missing wb_err.h header to websearch makefile

Quix0r/seeks,Quix0r/seeks,beniz/seeks,Quix0r/seeks,Quix0r/seeks,beniz/seeks,beniz/seeks,Quix0r/seeks,beniz/seeks,Quix0r/seeks,beniz/seeks