Fix warning

htdocs/core/modules/propale/doc/pdf_azur.modules.php

@@ -1502,8 +1502,10 @@ class pdf_azur extends ModelePDFPropales
 		$pdf->SetTextColor(0, 0, 60);
 		$pdf->SetFont('', 'B', $default_font_size + 3);
 
+		$w = 100;
+
 		$posy = $this->marge_haute;
-		$posx = $this->page_largeur - $this->marge_droite - 100;
+		$posx = $this->page_largeur - $this->marge_droite - $w;
 
 		$pdf->SetXY($this->marge_gauche, $posy);