drop unused vars, thanks Morten Stevens

diff --git a/modules/luabackend/dnssec.cc b/modules/luabackend/dnssec.cc
index 3529a08d0d3f3a520145f55fcd9649590a6d9d9a..0988b28871611b347057418fa33e63a5ce5e8f22 100644 (file)
--- a/modules/luabackend/dnssec.cc
+++ b/modules/luabackend/dnssec.cc
@@ -405,7 +405,6 @@ bool LUABackend::getDomainKeys(const string& name, unsigned int kind, std::vecto
 
     lua_pushnil(lua);  
 
-    int key;
     int j = 0;
     
     while (lua_next(lua, -2)) {
@@ -426,7 +425,6 @@ bool LUABackend::getDomainKeys(const string& name, unsigned int kind, std::vecto
         }
 
         lua_pop(lua,1);
-        key = lua_tonumber(lua, -1);
     }
 
     if(logging)
@@ -550,7 +548,6 @@ bool LUABackend::getDomainMetadata(const string& name, const std::string& kind,
 
     lua_pushnil(lua);  
 
-    int key;
     int j = 0;
     size_t returnedwhat;
     
@@ -562,7 +559,6 @@ bool LUABackend::getDomainMetadata(const string& name, const std::string& kind,
         }
 
         lua_pop(lua,1);
-        key = lua_tonumber(lua, -1);
     }
 
     if(logging)
@@ -594,7 +590,6 @@ void LUABackend::alsoNotifies(const string &domain, set<string> *ips) {
 
     lua_pushnil(lua);  
 
-    int key;
     size_t returnedwhat;
     
     while (lua_next(lua, -2)) {
@@ -604,7 +599,6 @@ void LUABackend::alsoNotifies(const string &domain, set<string> *ips) {
         }
 
         lua_pop(lua,1);
-        key = lua_tonumber(lua, -1);
     }
 
     if(logging)