Remove unncessary includes

No need to include stdlib.h for BSD as it is included by
qemu-common.h, windows.h is handled by sysemu.h and osdep.c no longer
needs malloc.h

Signed-off-by: Jes Sorensen <[email protected]>
Signed-off-by: Blue Swirl <[email protected]>
diff --git a/osdep.c b/osdep.c
index 0d48561..327583b 100644
--- a/osdep.c
+++ b/osdep.c
@@ -44,14 +44,6 @@
 extern int madvise(caddr_t, size_t, int);
 #endif
 
-#ifdef _WIN32
-#include <windows.h>
-#elif defined(CONFIG_BSD)
-#include <stdlib.h>
-#else
-#include <malloc.h>
-#endif
-
 #include "qemu-common.h"
 #include "trace.h"
 #include "sysemu.h"