io.c: Fix comment since pthreads isn't the only threading libusb uses
tree26dbd700c20402abe1e91d2dad4cc91b0a124555
-rw-r--r-- 129 .gitattributes
-rw-r--r-- 335 .gitignore
-rw-r--r-- 556 AUTHORS
-rw-r--r-- 26436 COPYING
-rw-r--r-- 9416 INSTALL
-rw-r--r-- 632 Makefile.am
-rw-r--r-- 1243 NEWS
-rw-r--r-- 3848 PORTING
-rw-r--r-- 726 README
-rw-r--r-- 215 THANKS
-rw-r--r-- 290 TODO
-rwxr-xr-x 368 autogen.sh
-rw-r--r-- 6878 configure.ac
drwxr-xr-x - doc
drwxr-xr-x - examples
-rw-r--r-- 299 libusb-1.0.pc.in
drwxr-xr-x - libusb
drwxr-xr-x - msvc