goto-diff --change-impact of control/data dependencies

Author: tautschnig

src/goto-diff/Makefile

@@ -1,6 +1,6 @@
 SRC = goto_diff_main.cpp goto_diff_parse_options.cpp \
       goto_diff_languages.cpp goto_diff_base.cpp syntactic_diff.cpp \
-      unified_diff.cpp
+      unified_diff.cpp change_impact.cpp
 
 OBJ += ../ansi-c/ansi-c$(LIBEXT) \
       ../linking/linking$(LIBEXT) \