Fix many "function declaration isn't a prototype" warnings in libc.

I've only fixed code that seems to be written by `us'. There are still
many warnings like this present in resolv/, rpc/, stdtime/ and yp/.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libc/gmon/gmon.c b/lib/libc/gmon/gmon.c
index dd85eec..fe769e8 100644
--- a/lib/libc/gmon/gmon.c
+++ b/lib/libc/gmon/gmon.c
@@ -132,7 +132,7 @@ monstartup(lowpc, highpc)
 }
 
 void
-_mcleanup()
+_mcleanup(void)
 {
 	int fd;
 	int fromindex;