Don't use old_spacing-1 if old_spacing already has the minimum value.
[wine] / dlls / urlmon /
drwxr-xr-x   ..
-rw-r--r-- 56 .cvsignore
-rw-r--r-- 328 Makefile.in
drwxr-xr-x - tests
-rw-r--r-- 33935 umon.c
-rw-r--r-- 2693 urlmon.spec
-rw-r--r-- 3554 urlmon_main.c
-rw-r--r-- 946 urlmon_main.h