now works better with NT _and_ Unix :)

Rev: src/configure.in:1.144
Rev: src/fd_control.c:1.10
Rev: src/gc.c:1.23
Rev: src/global.h:1.12
Rev: src/main.c:1.28
Rev: src/modules/Image/blit_layer_include.h:1.5
Rev: src/modules/Image/configure.in:1.5
Rev: src/modules/Image/font.c:1.23
Rev: src/modules/files/configure.in:1.36
Rev: src/modules/files/efuns.c:1.41
Rev: src/modules/system/configure.in:1.14
Rev: src/modules/system/system.c:1.33
Rev: src/pike_memory.c:1.3
Rev: src/signal_handler.c:1.16
Rev: src/stralloc.c:1.19
Rev: src/stuff.c:1.3
Rev: src/stuff.h:1.3