removed gcc-7 warnings
diff --git a/libasn1fix/asn1fix_internal.h b/libasn1fix/asn1fix_internal.h
index 4e13293..5fd7e76 100644
--- a/libasn1fix/asn1fix_internal.h
+++ b/libasn1fix/asn1fix_internal.h
@@ -83,17 +83,23 @@
* Merge the return value of the called function with the already
* partially computed return value of the current function.
*/
-#define RET2RVAL(ret,rv) do { \
- int __ret = ret; \
- switch(__ret) { \
- case 0: break; \
- case 1: if(rv) break; \
- case -1: rv = __ret; break; \
- default: \
- assert(__ret >= -1 && __ret <= 1); \
- rv = -1; \
- } \
- } while(0)
+#define RET2RVAL(ret, rv) \
+ do { \
+ int __ret = ret; \
+ switch(__ret) { \
+ case 0: \
+ break; \
+ case 1: \
+ if(rv) break; \
+ /* Fall through */ \
+ case -1: \
+ rv = __ret; \
+ break; \
+ default: \
+ assert(__ret >= -1 && __ret <= 1); \
+ rv = -1; \
+ } \
+ } while(0)
/*
* Temporary substitute module for the purposes of evaluating expression.