In C++14, bool -> T* implicit conversions are not allowed anymore.
See also: https://bugs.gentoo.org/show_bug.cgi?id=601890

--- a/src/common/weapons/AccessoryStore.cpp
+++ b/src/common/weapons/AccessoryStore.cpp
@@ -156,7 +156,7 @@
 	Accessory *parent, XMLNode *currentNode)
 {
 	XMLNode *typeNode = 0;
-	if (!currentNode->getNamedParameter("type", typeNode)) return false;
+	if (!currentNode->getNamedParameter("type", typeNode)) return NULL;
 
 	AccessoryPart *accessoryPart = 
 		AccessoryMetaRegistration::getNewAccessory(typeNode->getContent(), this);