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-rw-r--r--Source/CTest/Curl/getdate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/CTest/Curl/getdate.c b/Source/CTest/Curl/getdate.c
index 14edfed..6cece1f 100644
--- a/Source/CTest/Curl/getdate.c
+++ b/Source/CTest/Curl/getdate.c
@@ -1795,7 +1795,7 @@ LookupWord (yylval, buff)
/* Make it lowercase. */
for (p = buff; *p; p++)
- if (ISUPPER ((unsigned char) *p))
+ if (ISUPPER ((unsigned int)(*p)))
*p = (char)tolower (*p);
if (strcmp (buff, "am") == 0 || strcmp (buff, "a.m.") == 0)