foo->bar now finds the right function!

Rev: src/builtin_functions.c:1.43
Rev: src/docode.c:1.21
Rev: src/interpret.c:1.46
Rev: src/las.c:1.37
Rev: src/object.c:1.22
Rev: src/program.c:1.39
Rev: src/program.h:1.19
Rev: src/testsuite.in:1.51