Makefile: only recompile if main.c or config.h were changed
Makefile: only recompile if main.c or config.h were changed

Signed-off-by: Uli Schlachter <346c0ad49ac8427b61b3b55abbe37dc0ebd524f2@znc.in>

hut/vimprobable,hut/vimprobable,fanglingsu/vimprobable,DeadDork/vimprobable2,ThomasAdam/vimprobable,desyncr/vimprobable,desyncr/vimprobable,hut/vimprobable,DeadDork/vimprobable2,fanglingsu/vimprobable,desyncr/vimprobable,ThomasAdam/vimprobable,DeadDork/vimprobable2,fanglingsu/vimprobable,DeadDork/vimprobable2,ThomasAdam/vimprobable,desyncr/vimprobable