[gtk+] Avoid a C99ism

[Matthias Clasen <matthiasc src gnome org>]

commit c2512d1c0381c52bb4c94c5a25b97ae569c16c0b
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Feb 8 07:26:25 2012 -0500

    Avoid a C99ism
    
    Move variable declarations to the beginning of the block.
    https://bugzilla.gnome.org/show_bug.cgi?id=669511

 gtk/gtkcsstypes.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkcsstypes.c b/gtk/gtkcsstypes.c
index dde741e..84db936 100644
--- a/gtk/gtkcsstypes.c
+++ b/gtk/gtkcsstypes.c
@@ -131,9 +131,6 @@ _gtk_css_number_print (const GtkCssNumber *number,
 {
   char buf[G_ASCII_DTOSTR_BUF_SIZE];
 
-  g_return_if_fail (number != NULL);
-  g_return_if_fail (string != NULL);
-
   const char *names[] = {
     /* [GTK_CSS_NUMBER] = */ "",
     /* [GTK_CSS_PERCENT] = */ "%",
@@ -151,6 +148,9 @@ _gtk_css_number_print (const GtkCssNumber *number,
     /* [GTK_CSS_TURN] = */ "turn",
   };
 
+  g_return_if_fail (number != NULL);
+  g_return_if_fail (string != NULL);
+
   g_ascii_dtostr (buf, sizeof (buf), number->value);
   g_string_append (string, buf);
   if (number->value != 0.0)