[klibc] include: [stdio.h] add clearerr() prototype
Seen on kmod compiling:
/usr/lib/klibc/include/stdio.h:130:22: warning: no previous prototype for 'clearerr' [-Wmissing-prototypes]
Signed-off-by: maximilian attems <max@stro.at>
diff --git a/usr/include/stdio.h b/usr/include/stdio.h
index f24ab69..21243cc 100644
--- a/usr/include/stdio.h
+++ b/usr/include/stdio.h
@@ -95,6 +95,7 @@
__extern int ferror(FILE * );
__extern int feof(FILE *);
__extern int fileno(FILE *);
+__extern void clearerr(FILE *);
#ifndef __NO_STDIO_INLINES
__extern_inline size_t