Core/Misc: fix build

(cherry picked from commit ce5def332fa12ea4b2f3223fbaa4e41750da9cfb)

src/common/Debugging/Errors.cpp

@@ -96,7 +96,7 @@ void Abort(char const* file, int line, char const* function)
     exit(1);
 }
 
-void AbortHandler(int sigval)
+void AbortHandler(int /*sigval*/)
 {
     // nothing useful to log here, no way to pass args
     *((volatile int*)NULL) = 0;

src/server/worldserver/Main.cpp

@@ -94,7 +94,7 @@ variables_map GetConsoleArguments(int argc, char** argv, std::string& cfg_file,
 /// Launch the Trinity server
 extern int main(int argc, char** argv)
 {
-    std::signal(SIGABRT, &Trinity::AbortHandler);
+    signal(SIGABRT, &Trinity::AbortHandler);
 
     std::string configFile = _TRINITY_CORE_CONFIG;
     std::string configService;