Applied patch from David Douthitt to fix build error in df.c when
BB_FEATURE_HUMAN_READABLE was disabled.
diff --git a/include/busybox.h b/include/busybox.h
index 53d2211..9993209 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -234,10 +234,10 @@
#ifdef BB_FEATURE_HUMAN_READABLE
const char *format(unsigned long val, unsigned long hr);
+#endif
#define KILOBYTE 1024
#define MEGABYTE (KILOBYTE*1024)
#define GIGABYTE (MEGABYTE*1024)
-#endif
#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]