[jhbuild] autogen.sh: Allow running in non-srcdir

[Ting-Wei Lan <lantw src gnome org>]

commit 88c7376e194fb18f6ff70b663d9dddd4309604b6
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Tue Jun 7 14:57:10 2016 +0800

    autogen.sh: Allow running in non-srcdir
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767315

 autogen.sh |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 4b3624c..69d3099 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -173,8 +173,8 @@ configure_with_autotools()
 
   set -x
 
-  aclocal --install || exit 1
-  autoreconf --verbose --force --install -Wno-portability || exit 1
+  ( cd "$srcdir" && aclocal --install ) || exit 1
+  ( cd "$srcdir" && autoreconf --verbose --force --install -Wno-portability ) || exit 1
 
   if [ "$NOCONFIGURE" = "" ]; then
     $srcdir/configure "$@" || exit 1