check for \0 to be consistent with other functions

diff --git a/ext/fileinfo/fileinfo.c b/ext/fileinfo/fileinfo.c
index 14be430683f1dbb2256c5876cc4e86a250bfad0e..87d83b5580cd85616f16ee40ee16c0bffd8ee6e0 100644 (file)
--- a/ext/fileinfo/fileinfo.c
+++ b/ext/fileinfo/fileinfo.c
@@ -550,7 +550,7 @@ PHP_FUNCTION(mime_content_type)
                        } else { /* local file */
                                char resolved_path[MAXPATHLEN];
 
-                               if (Z_STRVAL_P(what) && VCWD_REALPATH(Z_STRVAL_P(what), resolved_path)) {
+                               if (*Z_STRVAL_P(what) && VCWD_REALPATH(Z_STRVAL_P(what), resolved_path)) {
                                        if ((PG(safe_mode) && (!php_checkuid(resolved_path, NULL, CHECKUID_CHECK_FILE_AND_DIR))) || php_check_open_basedir(resolved_path TSRMLS_CC)) {
                                                goto cleanup;
                                        }