mark MB_CUR_MAX constant as unsigned long

Avoid a warning in locale.c

comparison of integers of different signs: 'int' and 'unsigned long'
is_utf8 = MB_CUR_MAX >= STRLENs(MAX_UNICODE_UTF8);

RT #132516

1 files changed, 1 insertions, 1 deletions

diff --git a/perl.h b/perl.h
index 2200a47c05..900452d81d 100644
--- a/perl.h
+++ b/perl.h
@@ -686,7 +686,7 @@
   cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
   since cewchar.h can't be included this early */
 #if defined(UNDER_CE) && (_MSC_VER < 1300)
-#  define MB_CUR_MAX 1
+#  define MB_CUR_MAX 1uL
 #endif
 
 # include <stdarg.h>