[goffice] autogen.sh: explicitly use $srcdir

[Morten Welinder <mortenw src gnome org>]

commit a3ae83a6c0f81698b9e74b314cbaf258d11639d7
Author: Morten Welinder <terra gnome org>
Date:   Sat Sep 17 16:47:20 2022 -0400

    autogen.sh: explicitly use $srcdir

 autogen.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/autogen.sh b/autogen.sh
index 6970b293..0abd2f2f 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -24,7 +24,7 @@ intltoolize --force --copy --automake || exit 1
 autoreconf --verbose --force --install || exit 1
 
 # Work around intltool bug
-perl -pi -e 's/( \.intltool-merge-cache\b)/\1 .intltool-merge-cache.lock/ if /^\trm\b/;' po/Makefile.in.in
+perl -pi -e 's/( \.intltool-merge-cache\b)/\1 .intltool-merge-cache.lock/ if /^\trm\b/;' 
$srcdir/po/Makefile.in.in
 
 cd $olddir