Merge pull request #2491 from APriestman/7810_rootDirTypeFix

7810 Ensure root directory is always TSK_FS_META_TYPE_DIR

bindings/java/src/org/sleuthkit/datamodel/TskCaseDbBridge.java

@@ -422,10 +422,11 @@ private long addBatchedFilesToDb() {
 					}
 					
 					// We've seen a case where the root folder comes in with an undefined meta type.
-					// In that case, we alter the type to TSK_FS_META_TYPE_DIR so it will be cached
-					// properly and will not cause errors later for being an unexpected type.
+					// We've also seen a case where it comes in as a regular file. The root folder should always be
+					// a directory so it will be cached properly and will not cause errors later for
+					// being an unexpected type.
 					if ((fileInfo.parentObjId == fileInfo.fsObjId)
-							&& (fileInfo.metaType == TskData.TSK_FS_META_TYPE_ENUM.TSK_FS_META_TYPE_UNDEF.getValue())) {
+							&& (fileInfo.metaType != TskData.TSK_FS_META_TYPE_ENUM.TSK_FS_META_TYPE_DIR.getValue())) {
 						fileInfo.metaType = TskData.TSK_FS_META_TYPE_ENUM.TSK_FS_META_TYPE_DIR.getValue();
 					}