I can't reproduce this...
I just did a build and install from the tarball and both symlinks are present:
kirkland@x220:/tmp/foobar/bin$ ll total 104 drwxrwxr-x 2 kirkland kirkland 500 2012-01-15 10:13 ./ drwxrwxr-x 6 kirkland kirkland 120 2012-01-15 10:13 ../ -rwxr-xr-x 1 kirkland kirkland 5564 2012-01-15 10:13 byobu* -rwxr-xr-x 1 kirkland kirkland 11777 2012-01-15 10:13 byobu-config* -rwxr-xr-x 1 kirkland kirkland 2834 2012-01-15 10:13 byobu-ctrl-a* -rwxr-xr-x 1 kirkland kirkland 1296 2012-01-15 10:13 byobu-disable* -rwxr-xr-x 1 kirkland kirkland 1240 2012-01-15 10:13 byobu-enable* -rwxr-xr-x 1 kirkland kirkland 1261 2012-01-15 10:13 byobu-export* -rwxr-xr-x 1 kirkland kirkland 4504 2012-01-15 10:13 byobu-janitor* -rwxr-xr-x 1 kirkland kirkland 3254 2012-01-15 10:13 byobu-launch* -rwxr-xr-x 1 kirkland kirkland 1536 2012-01-15 10:13 byobu-launcher* -rwxr-xr-x 1 kirkland kirkland 2166 2012-01-15 10:13 byobu-launcher-install* -rwxr-xr-x 1 kirkland kirkland 1526 2012-01-15 10:13 byobu-launcher-uninstal -rwxr-xr-x 1 kirkland kirkland 3283 2012-01-15 10:13 byobu-layout* -rwxr-xr-x 1 kirkland kirkland 1401 2012-01-15 10:13 byobu-quiet* -rwxr-xr-x 1 kirkland kirkland 1801 2012-01-15 10:13 byobu-reconnect-sockets lrwxrwxrwx 1 kirkland kirkland 5 2012-01-15 10:13 byobu-screen -> byobu* -rwxr-xr-x 1 kirkland kirkland 1448 2012-01-15 10:13 byobu-select-backend* -rwxr-xr-x 1 kirkland kirkland 5693 2012-01-15 10:13 byobu-select-profile* -rwxr-xr-x 1 kirkland kirkland 3618 2012-01-15 10:13 byobu-select-session* -rwxr-xr-x 1 kirkland kirkland 1469 2012-01-15 10:13 byobu-shell* -rwxr-xr-x 1 kirkland kirkland 1297 2012-01-15 10:13 byobu-silent* -rwxr-xr-x 1 kirkland kirkland 3469 2012-01-15 10:13 byobu-status* -rwxr-xr-x 1 kirkland kirkland 1208 2012-01-15 10:13 byobu-status-detail* lrwxrwxrwx 1 kirkland kirkland 5 2012-01-15 10:13 byobu-tmux -> byobu*
I can't reproduce this...
I just did a build and install from the tarball and both symlinks are present:
kirkland@ x220:/tmp/ foobar/ bin$ ll install* uninstal -sockets backend* profile* session* detail*
total 104
drwxrwxr-x 2 kirkland kirkland 500 2012-01-15 10:13 ./
drwxrwxr-x 6 kirkland kirkland 120 2012-01-15 10:13 ../
-rwxr-xr-x 1 kirkland kirkland 5564 2012-01-15 10:13 byobu*
-rwxr-xr-x 1 kirkland kirkland 11777 2012-01-15 10:13 byobu-config*
-rwxr-xr-x 1 kirkland kirkland 2834 2012-01-15 10:13 byobu-ctrl-a*
-rwxr-xr-x 1 kirkland kirkland 1296 2012-01-15 10:13 byobu-disable*
-rwxr-xr-x 1 kirkland kirkland 1240 2012-01-15 10:13 byobu-enable*
-rwxr-xr-x 1 kirkland kirkland 1261 2012-01-15 10:13 byobu-export*
-rwxr-xr-x 1 kirkland kirkland 4504 2012-01-15 10:13 byobu-janitor*
-rwxr-xr-x 1 kirkland kirkland 3254 2012-01-15 10:13 byobu-launch*
-rwxr-xr-x 1 kirkland kirkland 1536 2012-01-15 10:13 byobu-launcher*
-rwxr-xr-x 1 kirkland kirkland 2166 2012-01-15 10:13 byobu-launcher-
-rwxr-xr-x 1 kirkland kirkland 1526 2012-01-15 10:13 byobu-launcher-
-rwxr-xr-x 1 kirkland kirkland 3283 2012-01-15 10:13 byobu-layout*
-rwxr-xr-x 1 kirkland kirkland 1401 2012-01-15 10:13 byobu-quiet*
-rwxr-xr-x 1 kirkland kirkland 1801 2012-01-15 10:13 byobu-reconnect
lrwxrwxrwx 1 kirkland kirkland 5 2012-01-15 10:13 byobu-screen -> byobu*
-rwxr-xr-x 1 kirkland kirkland 1448 2012-01-15 10:13 byobu-select-
-rwxr-xr-x 1 kirkland kirkland 5693 2012-01-15 10:13 byobu-select-
-rwxr-xr-x 1 kirkland kirkland 3618 2012-01-15 10:13 byobu-select-
-rwxr-xr-x 1 kirkland kirkland 1469 2012-01-15 10:13 byobu-shell*
-rwxr-xr-x 1 kirkland kirkland 1297 2012-01-15 10:13 byobu-silent*
-rwxr-xr-x 1 kirkland kirkland 3469 2012-01-15 10:13 byobu-status*
-rwxr-xr-x 1 kirkland kirkland 1208 2012-01-15 10:13 byobu-status-
lrwxrwxrwx 1 kirkland kirkland 5 2012-01-15 10:13 byobu-tmux -> byobu*