Extended all integer argument types shorter than int to int since that's

more efficient.

Rev: src/constants.c:1.47
Rev: src/constants.h:1.30
Rev: src/docode.c:1.164
Rev: src/docode.h:1.18
Rev: src/dynamic_buffer.c:1.23
Rev: src/dynamic_buffer.h:1.18
Rev: src/encode.c:1.171
Rev: src/gc.c:1.216
Rev: src/global.h:1.85
Rev: src/las.c:1.334
Rev: src/las.h:1.62
Rev: src/multiset.c:1.71
Rev: src/pike_memory.c:1.145
Rev: src/pike_memory.h:1.44
Rev: src/pike_search.c:1.14
Rev: src/pike_search.h:1.7
Rev: src/pike_types.c:1.214
Rev: src/pike_types.h:1.86
Rev: src/port.h:1.50
Rev: src/program.c:1.497
Rev: src/program.h:1.181
Rev: src/program_areas.h:1.13
Rev: src/rbtree.h:1.10
Rev: src/svalue.h:1.118