Fix compile with expat, but an old curl version
Fix compile with expat, but an old curl version

With an old curl version, git-http-push is not compiled. But git-http-fetch
still needs to be linked with expat if NO_EXPAT is not defined.

Signed-off-by: Johannes Schindelin <b4cf3b77c95aaa57254d96e276bf14cfc9472402@gmx.de>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

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