Build error with latest master

[Dirk Hohndel]

On Thu, May 28, 2015 at 11:39:07PM +0100, Pedro Neves wrote:
> Hi all:
> 
> When trying to build Subsurface from the latest master, I get the following
> error:
> 
> 
> Konsole output
> /home/paneves/Diveapps/subsurface/git-access.c: In function
> ‘update_local_repo’:
> /home/paneves/Diveapps/subsurface/git-access.c:111:2: error: unknown type
> name ‘git_fetch_options’
>  git_fetch_options opts = GIT_FETCH_OPTIONS_INIT;
>  ^
> /home/paneves/Diveapps/subsurface/git-access.c:111:27: error:
> ‘GIT_FETCH_OPTIONS_INIT’ undeclared (first use in this function)
>  git_fetch_options opts = GIT_FETCH_OPTIONS_INIT;

OK, I foolishly assumed that all components of this came in v0.20 but that
clearly isn't the case.

I'll figure out when these types were added and adjust the conditional
compile accordingly.

/D