[quake2] Fixed Mouse?

[Steffen Hein]

Alsa sound-code still doesn't compile (using the quake2-r0.16.tar.gz snapshot 
from Nov. 13).

gcc -Wall -pipe -Dstricmp=strcasecmp -DJoystick -g 
-DLINUX_VERSION='"3.21+r0.16 Debug"' -o debugi386/client/snd_alsa.o -c 
src/linux/snd_alsa.c
src/linux/snd_alsa.c: In function `SNDDMA_Init':
src/linux/snd_alsa.c:159: error: `buffer_size' undeclared (first use in this 
function)
src/linux/snd_alsa.c:159: error: (Each undeclared identifier is reported only 
once
src/linux/snd_alsa.c:159: error: for each function it appears in.)
src/linux/snd_alsa.c:159: error: too few arguments to function 
`snd_pcm_hw_params_get_buffer_size'
src/linux/snd_alsa.c:160: error: `frame_size' undeclared (first use in this 
function)
src/linux/snd_alsa.c:48: warning: unused variable `buffersize'
src/linux/snd_alsa.c:49: warning: unused variable `framesize'
make[1]: *** [debugi386/client/snd_alsa.o] Error 1