Use sys/types.h in md5.c, patch from Dale Ghent

svn path=/trunk/icecast/; revision=5926

src/md5.h

@@ -16,6 +16,10 @@
 #include "config.h"
 #include "compat.h"
 
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
 #define HASH_LEN     16
 
 struct MD5Context