treewide: correct several "up-to-date" to "up to date"
tree3c5ac2f526f0b10cd0ccf4d11e644390849520b8
-rw-r--r-- 194 .gitattributes
-rw-r--r-- 97 .gitignore
-rwxr-xr-x 1813 GIT-VERSION-GEN
-rw-r--r-- 11817 Makefile
-rwxr-xr-x 1372 git-gui--askpass
-rwxr-xr-x 104633 git-gui.sh
drwxr-xr-x - lib
drwxr-xr-x - macosx
drwxr-xr-x - po
drwxr-xr-x - windows