[gtk-doc] mkpdf: fix exitcode

[Stefan Kost <stefkost src gnome org>]

commit 1baf9a63bdf3283832be06bce151835922909436
Author: Stefan Sauer <ensonic users sf net>
Date:   Tue Apr 19 20:39:40 2016 +0200

    mkpdf: fix exitcode
    
    Fix a regression from 12adab6b0a28aec4008c6deed247bf944b5882f2.
    
    Fixes #764543

 gtkdoc-mkpdf.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtkdoc-mkpdf.in b/gtkdoc-mkpdf.in
index 908fda4..8d663b7 100644
--- a/gtkdoc-mkpdf.in
+++ b/gtkdoc-mkpdf.in
@@ -19,7 +19,7 @@ EOF
 
 cleanexit() {
     rm -f $module.fo
-    exit 1
+    exit $1
 }
 
 # parse options, ignore unknown options for future extensions