Description: fix build with gcc7
 From
 https://github.com/miloyip/rapidjson/commit/fe19b7b6016d446722621fb407738209d1a911e8 
and
 https://github.com/miloyip/rapidjson/commit/cba45fe9de6923b858edb0780e257b7257aa4f7b
Bug-Debian: https://bugs.debian.org/846568

---
Origin: upstream
Forwarded: not-needed
Last-Update: 2017-08-26

--- rapidjson-1.1.0+dfsg.orig/include/rapidjson/internal/regex.h
+++ rapidjson-1.1.0+dfsg/include/rapidjson/internal/regex.h
@@ -29,6 +29,9 @@ RAPIDJSON_DIAG_OFF(implicit-fallthrough)
 #ifdef __GNUC__
 RAPIDJSON_DIAG_PUSH
 RAPIDJSON_DIAG_OFF(effc++)
+#if __GNUC__ >= 7
+RAPIDJSON_DIAG_OFF(implicit-fallthrough)
+#endif
 #endif
 
 #ifdef _MSC_VER