Windows: Make the pager work.
Windows: Make the pager work.

Since we have neither fork() nor exec(), we have to spawn the pager and
feed it with the program's output.

Signed-off-by: Johannes Sixt <5cc107486946fdcf16e86d7c808fa50f4312125f@telecom.at>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git