10079 smatch Makefile changes for usr/src/lib

*** 45,54 ****
--- 45,56 ----
  CPPFLAGS +=     -I$(SRCDIR) -I$(BERDIR)
  
  CERRWARN +=     -_gcc=-Wno-unused-function
  CERRWARN +=     -_gcc=-Wno-uninitialized
  
+ SMOFF += shift_to_zero
+ 
  .KEEP_STATE:
  
  all: $(LIBS)
  
  lint: lintcheck