7085 add support for "if" and "else" statements in dtrace

@@ -18,11 +18,11 @@
 #
 # CDDL HEADER END
 #
 #
 # Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2012 by Delphix. All rights reserved.
+# Copyright (c) 2011, 2014 by Delphix. All rights reserved.
 #
 
 LIBRARY = libdtrace.a
 VERS = .1
 

@@ -36,10 +36,11 @@
         dt_decl.c \
         dt_dis.c \
         dt_dof.c \
         dt_error.c \
         dt_errtags.c \
+        dt_sugar.c \
         dt_handle.c \
         dt_ident.c \
         dt_inttab.c \
         dt_link.c \
         dt_list.c \