uart: fix include for win32

uart/uart.h

@@ -41,13 +41,6 @@
 
 typedef unsigned char byte_t;
 
-// Handle platform specific includes
-#ifndef _WIN32
-
-#else
-  #include <windows.h>
-#endif
-
 /* serial_port is declared as a void*, which you should cast to whatever type
  * makes sense to your connection method. Both the posix and win32
  * implementations define their own structs in place.

uart/uart_win32.c

@@ -38,9 +38,9 @@
 
 #include "uart.h"
 
-// Test if we are dealing with unix operating systems
-#ifdef _WIN32
 // The windows serial port implementation
+#ifdef _WIN32
+#include <windows.h>
 
 typedef struct {
   HANDLE hPort;     // Serial port handle