Error 2

debian:/usr/src/zaptel-1.4.5.1# make cleanmake[1]: Entering directory `/usr/src/zaptel-1.4.5.1/menuselect'rm -f menuselect gmenuselect *.omake[2]: Entering directory `/usr/src/zaptel-1.4.5.1/menuselect/mxml'/bin/rm -f mxmldoc.o testmxml.o mxml-attr.o mxml-entity.o mxml-file.o mxml-index.o mxml-node.o mxml-search.o mxml-set.o mxml-private.o mxml-string.o libmxml.a mxmldoc doc/mxml.3 doc/mxmldoc.1 testmxml mxml.xml/bin/rm -f mxmldoc-static libmxml.a/bin/rm -f *.bck *.bak/bin/rm -f config.cache config.log config.status config.h/bin/rm -f -r autom4te*.cachemake[2]: Leaving directory `/usr/src/zaptel-1.4.5.1/menuselect/mxml'make[1]: Leaving directory `/usr/src/zaptel-1.4.5.1/menuselect'rm -f torisatool makefw tor2fw.h radfw.hrm -f fxotune fxstest sethdlc-new ztcfg ztdiag ztmonitor ztspeed zttest zttoolrm -f *.o ztcfg tzdriver sethdlc sethdlc-newrm -f libtonezone.so libtonezone.a *.lomake -C /lib/modules/2.6.18-5-686/build SUBDIRS=/usr/src/zaptel-1.4.5.1 cleanmake[1]: Entering directory `/usr/src/linux-headers-2.6.18-5-686'make[1]: Makefile: No such file or directorymake[1]: *** No rule to make target `Makefile'.  Stop.make[1]: Leaving directory `/usr/src/linux-headers-2.6.18-5-686'make: *** [clean] Error 2debian:/usr/src/zaptel-1.4.5.1#