fix some changelog grammar

ChangeLog

 ver 0.10.2 (2004/3/25)
 1) Add suport for AAC
-2) Substitute '\n' with ' ' int tag info
+2) Substitute '\n' with ' ' in tag info
 3) Remove empty directories from db
 4) Resume from current position in song when using state file
 5) Pause now closes the music device, and reopens it on resuming
 6) Fix unnecessary big endian byte swapping
 7) If locale is "C" or "POSIX", then use ISO-8859-1 as the fs charset
-8) Fix a bug where alsamixer wasn't detect volume changes
+8) Fix a bug where alsa mixer wasn't detecting volume changes
 9) For alsa and software mixer, show volume to be the same as it was set (even if its not the exact volume)
 10) Report bitrate for wave files
-11) Computer song length of CBR mp3's more accurately
+11) Compute song length of CBR mp3's more accurately
 
 ver 0.10.1 (2004/3/7)
 1) Check to see if we need to add "-lm" when linking mpd