fix %n specifier, again. this time it was storing the wrong value.
[musl] / src / setjmp /
drwxr-xr-x   ..
drwxr-xr-x - i386
-rw-r--r-- 0 longjmp.c
-rw-r--r-- 0 setjmp.c
drwxr-xr-x - x86_64