git-gui: display error launching blame as a message box.
treee0e1dbca067d0a74d3db232e652dcb1f940983c4
-rw-r--r-- 84 .gitattributes
-rw-r--r-- 97 .gitignore
-rwxr-xr-x 1813 GIT-VERSION-GEN
-rw-r--r-- 11623 Makefile
-rwxr-xr-x 1289 git-gui--askpass
-rwxr-xr-x 94564 git-gui.sh
drwxr-xr-x - lib
drwxr-xr-x - macosx
drwxr-xr-x - po
drwxr-xr-x - windows