Remove declaration of variable which is no longer used

Author: cmb69

ext/fileinfo/fileinfo.c

@@ -312,7 +312,7 @@ static void _php_finfo_get_type(INTERNAL_FUNCTION_PARAMETERS, int mode, int mime
 	char *ret_val = NULL, *buffer = NULL;
 	size_t buffer_len;
 	php_fileinfo *finfo = NULL;
-	zval *zfinfo, *zcontext = NULL;
+	zval *zcontext = NULL;
 	zval *what;
 	char mime_directory[] = "directory";
 	struct magic_set *magic = NULL;