Fixed graphviz path check

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3646 a333f486-631f-4898-b8df-5754b55c2be0

setup/setuputils.class.inc.php

@@ -457,7 +457,7 @@ class SetupUtils
 		{
 			$sGraphvizPath = 'dot';
 		}
-		$sCommand = "$sGraphvizPath -V 2>&1";
+		$sCommand = "\"$sGraphvizPath\" -V 2>&1";
 	
 		$aOutput = array();
 		$iRetCode = 0;
@@ -1511,4 +1511,4 @@ class SetupInfo
 	{
 		return (array_key_exists($sModuleId, self::$aSelectedModules));
 	}
-}
+}