One of the new unit tests was omitted from the source list

The N_CATCH_TESTS check in the Makefile found this!

Author: martin

unit/Makefile

@@ -17,6 +17,7 @@ SRC += analyses/ai/ai.cpp \
        analyses/variable-sensitivity/abstract_object/merge.cpp \
        analyses/variable-sensitivity/constant_abstract_value/merge.cpp \
        analyses/variable-sensitivity/constant_array_abstract_object/merge.cpp \
+       analyses/variable-sensitivity/eval.cpp \
        analyses/variable-sensitivity/interval_abstract_value/meet.cpp \
        analyses/variable-sensitivity/full_struct_abstract_object/merge.cpp \
        analyses/variable-sensitivity/last_written_location.cpp \