Add missing brackets to multiline if statements.

Author: thomasspriggs

src/goto-programs/class_hierarchy.cpp

@@ -75,8 +75,10 @@ void class_hierarchy_grapht::populate(const symbol_tablet &symbol_table)
       {
         const irep_idt &parent = to_symbol_type(base.type()).get_identifier();
         if(!parent.empty())
+        {
           add_edge(
             nodes_by_name.at(parent), nodes_by_name.at(symbol_pair.first));
+        }
       }
     }
   }

src/goto-programs/goto_convert_functions.cpp

@@ -45,7 +45,9 @@ void goto_convert_functionst::goto_convert(goto_functionst &functions)
       symbol_pair.second.type.id() == ID_code &&
       (symbol_pair.second.mode == ID_C || symbol_pair.second.mode == ID_cpp ||
        symbol_pair.second.mode == ID_java || symbol_pair.second.mode == "jsil"))
+    {
       symbol_list.push_back(symbol_pair.first);
+    }
   }
 
   for(const auto &id : symbol_list)
@@ -62,7 +64,9 @@ void goto_convert_functionst::goto_convert(goto_functionst &functions)
     if(!symbol_pair.second.is_type &&
        symbol_pair.second.type.id()==ID_code &&
        symbol_pair.second.value.is_not_nil())
+    {
       symbol_pair.second.value=codet();
+    }
   }
   #endif
 }