Add more missing translations

src/activity_item_handling.cpp

@@ -1908,7 +1908,7 @@ static bool fetch_activity( Character &you, const tripoint &src_loc,
                                                      you.backlog.front().id() == ACT_MULTIPLE_MINE ||
                                                      you.backlog.front().id() == ACT_MULTIPLE_MOP ) ) {
                     if( it.volume() > volume_allowed || it.weight() > weight_allowed ) {
-                        add_msg_if_player_sees( you, "%1s failed to fetch tools", you.name );
+                        add_msg_if_player_sees( you, _( "%1s failed to fetch tools." ), you.name );
                         continue;
                     }
                     item leftovers = it;

src/mission.cpp

@@ -789,8 +789,9 @@ std::string mission::dialogue_for_topic( const std::string &in_topic ) const
         return response->second.translated();
     }
 
-    return string_format( "Someone forgot to code this message id is %s, topic is %s!",
-                          type->id.c_str(), topic.c_str() );
+    debugmsg( "Someone forgot to code this message id is %s, topic is %s!",
+              type->id.c_str(), topic.c_str() );
+    return "";
 }
 
 mission::mission()

src/mutation.cpp

@@ -738,7 +738,7 @@ void Character::activate_mutation( const trait_id &mut )
         int npower;
         if( query_int( npower, "Modify bionic power by how much?  (Values are in millijoules)" ) ) {
             mod_power_level( units::from_millijoule( npower ) );
-            add_msg_if_player( m_good, "Bionic power increased by %dmJ.", npower );
+            add_msg_if_player( m_good, _( "Bionic power increased by %dmJ." ), npower );
             tdata.powered = false;
         }
         return;

src/npc.cpp

@@ -3376,8 +3376,9 @@ std::string npc::describe_mission() const
         case NPC_MISSION_NULL:
             return myclass.obj().get_job_description();
         default:
-            return string_format( "ERROR: Someone forgot to code an npc_mission text for "
-                                  "mission: %d.", static_cast<int>( mission ) );
+            debugmsg( "ERROR: Someone forgot to code an npc_mission text for mission: %d.",
+                      static_cast<int>( mission ) );
+            return "";
     } // switch (mission)
 }
 

src/npctalk.cpp

@@ -909,8 +909,8 @@ std::string dialogue::dynamic_line( const talk_topic &the_topic ) const
         }
     }
 
-    return string_format( "I don't know what to say for %s. (BUG (npctalk.cpp:dynamic_line))",
-                          topic );
+    debugmsg( "I don't know what to say for %s. (BUG (npctalk.cpp:dynamic_line))", topic );
+    return "";
 }
 
 void dialogue::apply_speaker_effects( const talk_topic &the_topic )