Fix documentation generation

Documentation generation relies on khal, so fails in systems without khal
installed.

Force this process to use khal for the git tree, therefor, not requiring khal
to be pre-installed to generate the doc.

1 files changed, 1 insertions, 1 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 8d1cc5446f1b..39dc40bffb08 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -30,7 +30,7 @@ pkgver() {
 build(){
   cd "$srcdir/${_gitname}/doc"
 
-  make man
+  PYTHONPATH="$srcdir/khal make man"
 }
 
 package() {