- resource leak in pointcache, opendir without closedir()

- reading pointcache was using an incorrect, always NULL variable.
- commented NDof code, was giving warnings and isnt used now.

source/blender/blenkernel/intern/pointcache.c

@@ -2863,6 +2863,7 @@ void BKE_ptcache_disk_cache_rename(PTCacheID *pid, char *from, char *to)
 			}
 		}
 	}
+	closedir(dir);
 
 	strcpy(pid->cache->name, old_name);
 }

source/blender/blenloader/intern/readfile.c

@@ -2981,9 +2981,8 @@ static void direct_link_pointcache(FileData *fd, PointCache *cache)
 
 static void direct_link_pointcache_list(FileData *fd, ListBase *ptcaches, PointCache **ocache, int force_disk)
 {
-	PointCache *cache= NULL;
-
 	if(ptcaches->first) {
+		PointCache *cache= NULL;
 		link_list(fd, ptcaches);
 		for(cache=ptcaches->first; cache; cache=cache->next) {
 			direct_link_pointcache(fd, cache);
@@ -3001,7 +3000,7 @@ static void direct_link_pointcache_list(FileData *fd, ListBase *ptcaches, PointC
 		direct_link_pointcache(fd, *ocache);
 		if(force_disk) {
 			(*ocache)->flag |= PTCACHE_DISK_CACHE;
-			cache->step = 1;
+			(*ocache)->step = 1;
 		}
 
 		ptcaches->first = ptcaches->last = *ocache;

source/blender/editors/space_view3d/view3d_edit.c

@@ -2799,6 +2799,7 @@ void filterNDOFvalues(float *sbval)
 			sbval[i]=0.0;
 }
 
+#if 0
 // statics for controlling rv3d->dist corrections.
 // viewmoveNDOF zeros and adjusts rv3d->ofs.
 // viewmove restores based on dz_flag state.
@@ -3139,6 +3140,7 @@ void viewmoveNDOF(Scene *scene, ARegion *ar, View3D *v3d, int UNUSED(mode))
 	 */
 // XXX    scrarea_do_windraw(curarea);
 }
+#endif // if 0, unused NDof code
 
 /* give a 4x4 matrix from a perspective view, only needs viewquat, ofs and dist
  * basically the same as...

source/blender/imbuf/IMB_thumbs.h

@@ -75,6 +75,9 @@ void IMB_thumb_makedirs(void);
 ImBuf *IMB_loadblend_thumb(const char *path);
 void IMB_overlayblend_thumb(unsigned int *thumb, int width, int height, float aspect);
 
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
 
 #endif /* _IMB_THUMBS_H */