Image Editor doesn't work on a windows hosting server if ImageMagick is installed in a folder whose path contains spaces.

Example :

• ImageMagick installed in : C:\apps\ImageMagick is OK
• ImageMagick installed in : C:\Program files\imageMagick\ makes ezie crash

I get this error message :
Unexpected error, the message was : Handler class 'ezcImageImagemagickHandler' not found. ImageMagick not installed or not available in PATH variable. in C:\wamp\www\lib\ezc\ImageConversion\src\handlers\imagemagick_base.php on line 445

And there are traces I made in imagemagick_base.php after

$imageProcess = proc_open( $this->binary, $descriptors, $pipes );

:

stderr = 'C:\Program' n'est pas reconnu en tant que commande interne
ou externe, un programme ex‚cutable ou un fichier de commandes.

it seems PHP function proc_open doesn't manage path with spaces.

Steps to reproduce

Install ImageMagick in folder whose path contains spaces.