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-rw-r--r--rlz/lib/string_utils.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/rlz/lib/string_utils.h b/rlz/lib/string_utils.h
index 6f64e58..0893a6c 100644
--- a/rlz/lib/string_utils.h
+++ b/rlz/lib/string_utils.h
@@ -11,7 +11,7 @@
namespace rlz_lib {
-bool IsAscii(char letter);
+bool IsAscii(unsigned char letter);
bool BytesToString(const unsigned char* data,
int data_len,