From 64ea2256e5332701777ba6f93c1eda0b67a0e156 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sun, 18 Sep 2016 18:58:35 +0200
Subject: [PATCH] Add undef preprocessor statements

---
 libretro-common/encodings/encoding_crc32.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libretro-common/encodings/encoding_crc32.c b/libretro-common/encodings/encoding_crc32.c
index 044281360d..7d1310f398 100644
--- a/libretro-common/encodings/encoding_crc32.c
+++ b/libretro-common/encodings/encoding_crc32.c
@@ -78,6 +78,10 @@ static const uint32_t crc32_table[256] = {
   0x2d02ef8dL
 };
 
+#undef  DO1_CRC32
+#undef  DO2_CRC32
+#undef  DO4_CRC32
+#undef  DO8_CRC32
 #define DO1_CRC32(buf) crc = crc32_table[(crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
 #define DO2_CRC32(buf) DO1_CRC32(buf); DO1_CRC32(buf);
 #define DO4_CRC32(buf) DO2_CRC32(buf); DO2_CRC32(buf);