From 0bdf494b544cbc45bbc571ceefe83f750c9b3ef7 Mon Sep 17 00:00:00 2001
From: DIALLO David <diallo@et.esiea.fr>
Date: Mon, 15 Dec 2014 17:53:34 +0100
Subject: [PATCH] fix Cygwin build fails: array subscript has type char

---
 src/detect-modbus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/detect-modbus.c b/src/detect-modbus.c
index 306ca001a8..d1e4ec507d 100644
--- a/src/detect-modbus.c
+++ b/src/detect-modbus.c
@@ -292,7 +292,7 @@ static DetectModbus *DetectModbusFunctionParse(char *str)
     if (unlikely(modbus == NULL))
         goto error;
 
-    if (isdigit(ptr[0])) {
+    if (isdigit((unsigned char)ptr[0])) {
         modbus->function = atoi((const char*) ptr);
         SCLogDebug("will look for modbus function %d", modbus->function);
 
-- 
2.47.2