net-installer: install dos2unix by default

We ship dos2unix with Git for Windows for quite some time now.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

net-installer/setup-git-sdk.bat

@@ -56,7 +56,7 @@
 @%cwd%\usr\bin\pacman -S --force --noconfirm ^
 	base python less openssh patch make tar diffutils ca-certificates ^
 	perl-Error perl perl-Authen-SASL perl-libwww perl-MIME-tools ^
-	perl-Net-SMTP-SSL perl-TermReadKey ^
+	perl-Net-SMTP-SSL perl-TermReadKey dos2unix ^
 	mintty vim git-extra ^
 	mingw-w64-@@ARCH@@-git mingw-w64-@@ARCH@@-toolchain ^
 	mingw-w64-@@ARCH@@-curl mingw-w64-@@ARCH@@-expat ^