Fix [-Wundef] warning in PHAR extension

Author: Girgias

ext/phar/phar_object.c

@@ -1274,7 +1274,7 @@ PHP_METHOD(Phar, getSupportedSignatures)
 	add_next_index_stringl(return_value, "SHA-1", 5);
 	add_next_index_stringl(return_value, "SHA-256", 7);
 	add_next_index_stringl(return_value, "SHA-512", 7);
-#if PHAR_HAVE_OPENSSL
+#ifdef PHAR_HAVE_OPENSSL
 	add_next_index_stringl(return_value, "OpenSSL", 7);
 #else
 	if (zend_hash_str_exists(&module_registry, "openssl", sizeof("openssl")-1)) {

ext/phar/stream.c

@@ -90,7 +90,7 @@ php_url* phar_parse_url(php_stream_wrapper *wrapper, const char *filename, const
 	resource->path = zend_string_init(entry, entry_len, 0);
 	efree(entry);
 
-#if MBO_0
+#ifdef MBO_0
 		if (resource) {
 			fprintf(stderr, "Alias:     %s\n", alias);
 			fprintf(stderr, "Scheme:    %s\n", ZSTR_VAL(resource->scheme));
@@ -299,7 +299,7 @@ static php_stream * phar_wrapper_open_url(php_stream_wrapper *wrapper, const cha
 		}
 	}
 	php_url_free(resource);
-#if MBO_0
+#ifdef MBO_0
 		fprintf(stderr, "Pharname:   %s\n", idata->phar->filename);
 		fprintf(stderr, "Filename:   %s\n", internal_file);
 		fprintf(stderr, "Entry:      %s\n", idata->internal_file->filename);

ext/phar/tar.c

@@ -203,7 +203,7 @@ static int phar_tar_process_metadata(phar_entry_info *entry, php_stream *fp) /*
 }
 /* }}} */
 
-#if !HAVE_STRNLEN
+#ifndef HAVE_STRNLEN
 static size_t strnlen(const char *s, size_t maxlen) {
         char *r = (char *)memchr(s, '\0', maxlen);
         return r ? r-s : maxlen;