don't pass in lint libraries which no longer exist

*** 36,47 ****
  ROOTLIBDIR64 =  $(ROOT)/usr/lib/fs/smbfs/$(MACH64)
  
  LIBSRCS = $(LIBOBJS:%.o=$(SRCDIR)/%.c)
  
  LIBS =          $(DYNLIB)
! LDLIBS +=       -lshare -lscf -lumem -luuid -lc -lxml2 -lsmbfs
  
  CFLAGS +=       $(CCVERBOSE)
  CERRWARN +=     -_gcc=-Wno-switch
  CERRWARN +=     -_gcc=-Wno-uninitialized
  CPPFLAGS +=     -D_REENTRANT -I$(ADJUNCT_PROTO)/usr/include/libxml2 \
                  -I$(SRCDIR)/../common -I$(SRC)/lib/libsmbfs -I$(SRC)/uts/common
--- 36,50 ----
  ROOTLIBDIR64 =  $(ROOT)/usr/lib/fs/smbfs/$(MACH64)
  
  LIBSRCS = $(LIBOBJS:%.o=$(SRCDIR)/%.c)
  
  LIBS =          $(DYNLIB)
! LDLIBS +=       -lshare -lscf -lumem -luuid -lc -lsmbfs
  
+ # libxml2 has no lint library, so we can only use it when building
+ $(DYNLIB) := LDLIBS += -lxml2
+ 
  CFLAGS +=       $(CCVERBOSE)
  CERRWARN +=     -_gcc=-Wno-switch
  CERRWARN +=     -_gcc=-Wno-uninitialized
  CPPFLAGS +=     -D_REENTRANT -I$(ADJUNCT_PROTO)/usr/include/libxml2 \
                  -I$(SRCDIR)/../common -I$(SRC)/lib/libsmbfs -I$(SRC)/uts/common