Update chttp.c/.h

src/basic.c

@@ -13,7 +13,7 @@ bool streq(string s1, string s2)
     return true;
 }
 
-// Returns the current time in milliseconds since
+// Returns the current time in nanoseconds since
 // an unspecified time in the past (useful to calculate
 // elapsed time intervals)
 Time get_current_time(void)

src/file_system.h

@@ -3,7 +3,10 @@
 
 #include "basic.h"
 
-#ifndef _WIN32
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#else
 #include <dirent.h>
 #endif