[gtk-doc] gtkdocize: drop text behind the macro

[Stefan Kost <stefkost src gnome org>]

commit 1ced0d70d09e7f4c60a5837b4573ef11e231bade
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed Oct 14 08:10:35 2015 +0200

    gtkdocize: drop text behind the macro
    
    This can be a comment or another macro. In neither case we want to accidentially
    pick up options from that part.
    
    Fixes #756368

 gtkdocize.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtkdocize.in b/gtkdocize.in
index 73e9be9..50a041d 100644
--- a/gtkdocize.in
+++ b/gtkdocize.in
@@ -57,7 +57,7 @@ if test $no_configure_found -eq 0; then
   macro=`grep '^GTK_DOC_CHECK' $configure 2>/dev/null`
   if test $? -eq 0; then
     # GTK_DOC_CHECK([1.14],[--flavour no-tmpl])
-    params=`echo $macro | sed -e 's/^GTK_DOC_CHECK(\ *\(.*\))/\1/'`
+    params=`echo $macro | sed -e 's/^GTK_DOC_CHECK(\ *\(.*\)).*$/\1/'`
     if echo $params | grep -q '^.*\,\ *\[\{0,1\}'; then
       extra_options=`echo $params | sed -e 's/^.*\,\ *\[\{0,1\}\([^]]*\)\]\{0,1\}\ *$/\1/'`
       #echo >&2 "DEBUG: adding extra options [$extra_options] to [$*]"