Fix errors/warnings reported by valgrind

src/connection.cpp

@@ -561,6 +561,7 @@ Channel::Channel() :
 		next_outgoing_split_seqnum(SEQNUM_INITIAL),
 		current_packet_loss(0),
 		current_packet_too_late(0),
+		current_packet_successfull(0),
 		packet_loss_counter(0),
 		current_bytes_transfered(0),
 		current_bytes_received(0),
@@ -3114,4 +3115,3 @@ std::list<u16> Connection::getPeerIDs()
 }
 
 } // namespace
-

src/gettext.h

@@ -68,11 +68,11 @@ inline wchar_t* chartowchar_t(const char *str)
 		MultiByteToWideChar( CP_UTF8, 0, (LPCSTR) str, -1, (WCHAR *) nstr, nResult );
 	}
 #else
-	size_t l = strlen(str)+1;
-	nstr = new wchar_t[l];
+	size_t l = strlen(str);
+	nstr = new wchar_t[l+1];
 
 	std::wstring intermediate = narrow_to_wide(str);
-	memset(nstr,0,l);
+	memset(nstr, 0, (l+1)*sizeof(wchar_t));
 	memcpy(nstr, intermediate.c_str(), l*sizeof(wchar_t));
 #endif
 

src/guiFormSpecMenu.cpp

@@ -81,6 +81,7 @@ GUIFormSpecMenu::GUIFormSpecMenu(irr::IrrlichtDevice* dev,
 	m_selected_amount(0),
 	m_selected_dragging(false),
 	m_tooltip_element(NULL),
+	m_old_tooltip_id(-1),
 	m_allowclose(true),
 	m_lock(false),
 	m_form_src(fsrc),

src/nodedef.cpp

@@ -1018,4 +1018,3 @@ void ContentFeatures::deSerializeOld(std::istream &is, int version)
 		throw SerializationError("unsupported ContentFeatures version");
 	}
 }
-