[quickjs] Small typo fix.

Change-Id: I407a130ac37903379eee9f72494983dea7343bb8
diff --git a/quickjs-libc.c b/quickjs-libc.c
index 261b556..b19e11f 100644
--- a/quickjs-libc.c
+++ b/quickjs-libc.c
@@ -1730,7 +1730,7 @@
     return JS_UNDEFINED;
 }
 
-#endif  // !defined(__fuchsia__)
+#endif  // !defined(__Fuchsia__)
 
 #if defined(__linux__) || defined(__APPLE__)
 static int64_t get_time_ms(void)