Add types for the inline funcs, thanks to Ralph Siemsen <ralphs@netwinder.org>
diff --git a/libbb/libbb.h b/libbb/libbb.h
index 4b06ad1..19de73c 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -54,8 +54,8 @@
#define BUF_SIZE 8192
#define EXPAND_ALLOC 1024
-static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
-static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
+static inline int is_decimal(int ch) { return ((ch >= '0') && (ch <= '9')); }
+static inline int is_octal(int ch) { return ((ch >= '0') && (ch <= '7')); }
/* Macros for min/max. */
#ifndef MIN