[gtk+/gtk-2-24] Avoid perl warnings

[Matthias Clasen <matthiasc src gnome org>]

commit 3da748930fdcb19aaae32ae2fc6cb2d802857752
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 1 21:58:34 2013 -0500

    Avoid perl warnings
    
    Apparently, defined is not cool anymore.

 demos/gtk-demo/geninclude.pl.in |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/demos/gtk-demo/geninclude.pl.in b/demos/gtk-demo/geninclude.pl.in
index b41e926..02b5c97 100755
--- a/demos/gtk-demo/geninclude.pl.in
+++ b/demos/gtk-demo/geninclude.pl.in
@@ -40,7 +40,7 @@ foreach $href (@demos) {
        my $do_next = 0;
 
        # parent detected
-       if (defined @parents) {
+       if (@parents) {
            foreach $foo (@parents) {
                if ($foo eq $parent_name) {
                    $do_next = 1;
@@ -54,7 +54,7 @@ foreach $href (@demos) {
 
        push @parents, $parent_name;
 
-       $tmp = (defined @child_arrays)?($#child_arrays + 1):0;
+       $tmp = (@child_arrays)?($#child_arrays + 1):0;
        push @child_arrays, "child$tmp";
 
        push @demos, {"title" => $parent_name, "file" => "NULL",
@@ -62,7 +62,7 @@ foreach $href (@demos) {
     }
 }
 
-if (defined @parents) {
+if (@parents) {
     $i = 0;
     for ($i = 0; $i <= $#parents; $i++) {
        $first = 1;
@@ -73,7 +73,7 @@ if (defined @parents) {
        for ($j = 0; $j <= $#demos; $j++) {
            $href = $demos[$j];
            
-           if (!defined $demos[$j]) {
+           if (!$demos[$j]) {
                next;
            }
            
@@ -105,7 +105,7 @@ if (defined @parents) {
 } @demos_old;
 
 # sort the child arrays
-if (defined @child_arrays) {
+if (@child_arrays) {
     for ($i = 0; $i <= $#child_arrays; $i++) {
        @foo_old = @{$child_arrays[$i]};
 
@@ -133,7 +133,7 @@ foreach $href (@demos) {
        print ", \n";
     }
 
-    if (defined @parents) {
+    if (@parents) {
        for ($i = 0; $i <= $#parents; $i++) {
            if ($parents[$i] eq $href->{title}) {