Doesn't compile under BeOS R5 due to O_WRONLY being undefined, so include

the appropriate header.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14582 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/rmattr.cpp

@@ -14,6 +14,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <fcntl.h>  // For O_WRONLY in BeOS R5 headers.
 #include <kernel/fs_attr.h>
 
 int main(int32 argc, const char **argv)