grep: prepare for an upgrade of the regex code

The upcoming updated regex code will already define the
RE_TRANSLATE_TYPE constant, so let's safeguard lest we redefine it.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/findutils/grep.c b/findutils/grep.c
index b115d9a1d..4e5501d03 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -174,7 +174,9 @@ enum {
 #define NUL_DELIMITED               (option_mask32 & OPT_z)
 
 #if ENABLE_PLATFORM_MINGW32
-# define RE_TRANSLATE_TYPE unsigned char*
+# ifndef RE_TRANSLATE_TYPE
+#  define RE_TRANSLATE_TYPE unsigned char*
+# endif
 # undef ENABLE_EXTRA_COMPAT
 # define ENABLE_EXTRA_COMPAT 0
 # undef IF_EXTRA_COMPAT