Fix a segmentation fault when changing perspectives.
tree32e039dc78e87558a4e560ed66a55e416ce3a4e2
-rw-r--r-- 47 .hgeol
-rw-r--r-- 428 .hgignore
drwxr-xr-x - Data
drwxr-xr-x - Externals
drwxr-xr-x - Installer
-rw-r--r-- 2570 Readme.txt
-rw-r--r-- 17018 SConstruct
drwxr-xr-x - SconsTests
drwxr-xr-x - Source
drwxr-xr-x - docs
-rw-r--r-- 17987 license.txt
-rwxr-xr-x 1876 osx_make_dmg.sh