[gtk-doc] mkdb: ignore empty image sections

[Stefan Kost <stefkost src gnome org>]

commit 043a36d22d1c6119b6c47f043fa04dc3707d9d45
Author: Stefan Kost <ensonic users sf net>
Date:   Fri Jan 29 12:20:39 2010 +0200

    mkdb: ignore empty image sections

 gtkdoc-mkdb.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtkdoc-mkdb.in b/gtkdoc-mkdb.in
index 3c8d4a7..0f04eb5 100755
--- a/gtkdoc-mkdb.in
+++ b/gtkdoc-mkdb.in
@@ -2253,7 +2253,7 @@ sub OutputSGMLFile {
     }
 
     my $image = $SymbolDocs{"$TMPL_DIR/$file:Image"};
-    if (!defined ($image)) {
+    if (!defined ($image) || $image =~ m/^\s*$/) {
       $image = "";
     } else {
       $image =~ s/^\s*//;