Core/Misc: Another batch of fixes for issues found by static analysis

src/server/collision/Maps/MapTree.cpp

@@ -119,8 +119,9 @@ namespace VMAP
         return intersectionCallBack.result;
     }
 
-    StaticMapTree::StaticMapTree(uint32 mapID, const std::string &basePath)
-        : iMapID(mapID), iIsTiled(false), iTreeValues(0), iBasePath(basePath)
+    StaticMapTree::StaticMapTree(uint32 mapID, const std::string &basePath) :
+        iMapID(mapID), iIsTiled(false), iTreeValues(NULL),
+        iNTreeValues(0), iBasePath(basePath)
     {
         if (iBasePath.length() > 0 && iBasePath[iBasePath.length()-1] != '/' && iBasePath[iBasePath.length()-1] != '\\')
         {