git-gui: ensure the file in the diff pane is in the list of selected files
tree9d465081bb8c1e7d85e1e426f5ec7ff39dbd88d1
-rw-r--r-- 170 .gitattributes
-rw-r--r-- 97 .gitignore
-rwxr-xr-x 1813 GIT-VERSION-GEN
-rw-r--r-- 11731 Makefile
-rwxr-xr-x 1372 git-gui--askpass
-rwxr-xr-x 100733 git-gui.sh
drwxr-xr-x - lib
drwxr-xr-x - macosx
drwxr-xr-x - po
drwxr-xr-x - windows