Fix invalid fonction definition with unnamed param

c/include/bits.h

@@ -50,6 +50,9 @@ typedef unsigned long int ulong;
 typedef unsigned int uint;
 typedef unsigned short ushort;
 typedef unsigned char uchar;
+/* char is a special case, as it can be signed or unsigned
+ */
+typedef signed char schar;
 
 /* define common types sizes
  */
@@ -113,10 +116,6 @@ static __always_inline int popcount32(u32 n)
 #   endif
 }
 
-/* char is a special case, as it can be signed or unsigned
- */
-typedef signed char schar;
-
 /* count trailing zeroes : 00101000 -> 3
  *                              ^^^
  */

c/include/debug.h

@@ -17,7 +17,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-#include "bits.h"
+#include <bits.h>
 
 #define _unused __attribute__((__unused__))
 #define _printf __attribute__ ((format (printf, 6, 7)))
@@ -28,13 +28,13 @@ void debug_level_set(u32 level);
 u32  debug_level_get(void);
 void _printf debug(u32 level, bool timestamp,
                    u32 indent, const char *src,
-                   u32 line, const char *, ...);
+                   u32 line, const char *fmt, ...);
 #else  /* DEBUG_DEBUG */
 static inline void debug_init(_unused u32 level) {}
 static inline void debug_level_set(_unused u32 level) {}
 static inline void _printf debug(_unused u32 level, _unused bool timestamp,
                                  _unused u32 indent, _unused const char *src,
-                                 _unused u32 line, const char *, ...) {}
+                                 _unused u32 line, _unused const char *fmt, ...) {}
 #endif  /* DEBUG_DEBUG */
 #undef _unused
 #undef _printf