To Avoid warnings when using pecl (un)install command

See : http://pear.php.net/bugs/bug.php?id=11420

--- /usr/share/pear/PEAR/Command/Install.php.orig	2007-06-24 13:22:19.000000000 +0200
+++ /usr/share/pear/PEAR/Command/Install.php	2007-06-24 13:30:28.000000000 +0200
@@ -700,7 +700,7 @@
                             break;
                         }
                     }
-                    foreach ($binaries as $pinfo) {
+                    if (isset($binaries)) foreach ($binaries as $pinfo) {
                         PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
                         $ret = $this->enableExtension(array($pinfo[0]), $param->getPackageType());
                         PEAR::staticPopErrorHandling();
@@ -941,7 +941,7 @@
                             break;
                         }
                     }
-                    foreach ($binaries as $pinfo) {
+                    if (isset($binaries)) foreach ($binaries as $pinfo) {
                         PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
                         $ret = $this->disableExtension(array($pinfo[0]), $pkg->getPackageType());
                         PEAR::staticPopErrorHandling();