XFA: Rename libpng to libpng16.

third_party/libpng/0000-build-config.patch

Index: third_party/libpng/0000-build-config.patch
diff --git a/third_party/libpng/0000-build-config.patch b/third_party/libpng/0000-build-config.patch
deleted file mode 100644
index 4f0013970ab76936caced8950112bcbeeb3d6124..0000000000000000000000000000000000000000
--- a/third_party/libpng/0000-build-config.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-diff a/third_party/libpng/pngmem.c b/third_party/libpng/pngmem.c
---- a/third_party/libpng/pngmem.c
-+++ b/third_party/libpng/pngmem.c
-@@ -19,6 +19,9 @@
- 
- #include "pngpriv.h"
- 
-+void*	FXMEM_DefaultAlloc(int byte_size, int);
-+void	FXMEM_DefaultFree(void* pointer, int);
-+
- #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
- /* Free a png_struct */
- void /* PRIVATE */
-@@ -92,7 +95,7 @@
- 
-       else
- #endif
--         return malloc((size_t)size); /* checked for truncation above */
-+         return FXMEM_DefaultAlloc((int)size, 0);
-    }
- 
-    else
-@@ -249,7 +252,7 @@
-       return;
- #endif /* USER_MEM */
- 
--   free(ptr);
-+   FXMEM_DefaultFree(ptr, 0);
- }
- 
- #ifdef PNG_USER_MEM_SUPPORTED
-diff a/third_party/libpng/pngstruct.h b/third_party/libpng/pngstruct.h
---- a/third_party/libpng/pngstruct.h
-+++ b/third_party/libpng/pngstruct.h
-@@ -27,7 +27,7 @@
-    /* We must ensure that zlib uses 'const' in declarations. */
- #  define ZLIB_CONST
- #endif
--#include "zlib.h"
-+#include "third_party/zlib_v128/zlib.h"
- #ifdef const
-    /* zlib.h sometimes #defines const to nothing, undo this. */
- #  undef const