fix hash support on windows in ext/phar (Kalle)

ext/phar/config.w32

@@ -35,5 +35,12 @@ if (PHP_PHAR != "no") {
 			STDOUT.WriteLine('        Native OpenSSL support in Phar disabled');
 		}
 	}
+	if (PHP_HASH != "no") {
+		if (PHP_HASH_SHARED == "no") {
+			AC_DEFINE("PHAR_HASH_OK", 1);
+		} else {
+			WARNING('Phar: sha256/sha512 signature support disabled if ext/hash is built shared');
+		}
+	}
 	ADD_EXTENSION_DEP('phar', 'spl', true);
 }