Change to lstat so we don't count the target of symbolic links as part
of the tar archive size. Big thanks to Tassadar for pointing out the
fix.

Change-Id: I8894ffef54c93939b5b455634169d9c14d8ed7af
diff --git a/twrpTar.cpp b/twrpTar.cpp
index c024821..0dff14d 100644
--- a/twrpTar.cpp
+++ b/twrpTar.cpp
@@ -570,8 +570,8 @@
 	while (i < list_size) {
 		if (TarList->at(i).thread_id == thread_id) {
 			strcpy(buf, TarList->at(i).fn.c_str());
-			stat(buf, &st);
-			if (st.st_mode & S_IFREG) { // item is a regular file
+			lstat(buf, &st);
+			if (S_ISREG(st.st_mode)) { // item is a regular file
 				if (Archive_Current_Size + (unsigned long long)(st.st_size) > MAX_ARCHIVE_SIZE) {
 					if (closeTar() != 0) {
 						LOGERR("Error closing '%s' on thread %i\n", tarfn.c_str(), thread_id);