Remove unnecessary includes of fx_system.h, part 5

Change-Id: I1f5f8e48168d9eb8540094d050987e8423f4a56b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/83492
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/fxbarcode/cbc_code39.cpp b/fxbarcode/cbc_code39.cpp
index f09e3c4..c8c1b12 100644
--- a/fxbarcode/cbc_code39.cpp
+++ b/fxbarcode/cbc_code39.cpp
@@ -23,6 +23,7 @@
 
 #include <memory>
 
+#include "core/fxcrt/fx_coordinates.h"
 #include "core/fxcrt/fx_memory_wrappers.h"
 #include "fxbarcode/oned/BC_OnedCode39Writer.h"