Log Message:
Update libgnomecanvas to 2.26.0.

libgnomecanvas 2.26.0
---------------------

What's new since 2.25.90

Translations
	* Amitakhya Phukan (as)
	* Reşat SABIQ (crh)
	* Suso Baleato (gl)
	* Rajesh Ranjan (hi)
	* Francesco Marletta (it)

libgnomecanvas 2.25.90
---------------------

What's new since 2.19.2

Bug fixes
	* Avoid tearing while repainting (Federico Mena Quintero)
	* Fix compilation with gcc 2.x (Jens Granseur)
	* Register gailcanvas into a11y type system (Sven Herzberg)
	* Do not use deprecated GTK_OBJECT macros (Stefan Kost)
	* Use single GTK+ includes (Cosimo Cecchi, Przemysław Grzegorczyk)

Translations
	* Khaled Hosny (ar)
	* Khandakar Mujahidul Islam (bn)
	* Reşat SABIQ (crh)
	* Lucas Lommer (cs)
	* Jorge González (es)
	* Iñaki Larrañaga Murgoitio (eu)
	* Pauli Virtanen (fi)
	* Robert-André Mauchin (fr)
	* Ignacio Casal Quinteiro (gl)
	* Launchpad Translations Administrators (hr)
	* Francesco Marletta (it)
	* Vladimer Sichinava ვლადიმერ \ 
სიჭინავა (ka)
	* Raivis Dejus (lv)
	* Sangeeta Kumari (mai)
	* Santhosh Thottingal (ml)
	* Badral (mn)
	* sandeep shedmake (mr)
	* Nabin Gautam (ne)
	* Åsmund Skjæveland (nn)
	* Yannig Marchegay (Kokoyaya) (oc)
	* Leonardo Ferreira Fontenelle (pt_BR)
	* Mișu Moldovan (ro)
	* Marcel Telka (sk)
	* Matej Urbančič (sl)
	* Laurent Dhima (sq)
	* தங்கம் அருண் (ta)
	* Krishna Babu K (te)
	* Theppitak Karoonboonyanan (th)
	* Baris Cicek (tr)
	* Woodman Tuen (zh_HK)
	* Woodman Tuen (zh_TW)