Avoid warnings about missing field initialiser on some platforms.

maxim2266 · maxim2266 · commit 9b63d82e4f64 · 2021-02-08T17:06:42.000Z
diff --git a/str.h b/str.h
@@ -47,7 +47,7 @@ typedef struct
 } str;
 
 // NULL string
-#define str_null ((str){ 0 })
+#define str_null ((str){ 0, 0 })
 
 // helper macros
 #define _ref_info(n)	((n) << 1)
