3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero

*** 18,27 ****
--- 18,28 ----
  #
  # CDDL HEADER END
  #
  #
  # Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ # Copyright (c) 2012 by Delphix. All rights reserved.
  #
  
  LIBRARY= libzpool.a
  VERS= .1
  
*** 57,67 ****
  C99LMODE=       -Xc99=%all
  
  CFLAGS +=       -g $(CCVERBOSE) $(CNOGLOBAL)
  CFLAGS64 +=     -g $(CCVERBOSE) $(CNOGLOBAL)
  LDLIBS +=       -lcmdutils -lumem -lavl -lnvpair -lz -lc -lsysevent -lmd
! CPPFLAGS +=     $(INCS)
  
  .KEEP_STATE:
  
  all: $(LIBS)
  
--- 58,68 ----
  C99LMODE=       -Xc99=%all
  
  CFLAGS +=       -g $(CCVERBOSE) $(CNOGLOBAL)
  CFLAGS64 +=     -g $(CCVERBOSE) $(CNOGLOBAL)
  LDLIBS +=       -lcmdutils -lumem -lavl -lnvpair -lz -lc -lsysevent -lmd
! CPPFLAGS +=     $(INCS) -DDEBUG
  
  .KEEP_STATE:
  
  all: $(LIBS)