Include termios.h for definition of struct winsize

On android API level 9 the header does not get included transitively.
Include it directly.

As far as I can see, all non-windows platforms should have this header.
If that turns out to be incorrect, we can add some ifdefs around that.

llvm-svn: 292931
diff --git a/lldb/source/Host/common/File.cpp b/lldb/source/Host/common/File.cpp
index 4eb9ae1..bdb034f 100644
--- a/lldb/source/Host/common/File.cpp
+++ b/lldb/source/Host/common/File.cpp
@@ -19,6 +19,7 @@
 #include "lldb/Host/windows/windows.h"
 #else
 #include <sys/ioctl.h>
+#include <termios.h>
 #endif
 
 #include "llvm/Support/ConvertUTF.h"