Fixed unused-function warning

Lauszus · igrr · commit b6958986d1fd · 2017-06-14T08:10:58.000-05:00
See: https://github.com/esp8266/Arduino/pull/2881/files/d55efd3e144256afe043d251a0f6c778c5139f7c#diff-67390c99ad4faa2080719586ebf73b9e and https://travis-ci.org/felis/USB_Host_Shield_2.0/jobs/213822247#L1248
diff --git a/cores/esp8266/Schedule.cpp b/cores/esp8266/Schedule.cpp
@@ -14,9 +14,9 @@ static scheduled_fn_t* sLastUnused = 0;
 
 static int sCount = 0;
 
+static void init_lists() __attribute__((unused));
 static void init_lists()
 {
-    (void) init_lists;
     if (sCount != 0) {
         return;
     }

Original file line number	Diff line number	Diff line change
`@@ -14,9 +14,9 @@ static scheduled_fn_t* sLastUnused = 0;`
`14`	`14`
`15`	`15`	`static int sCount = 0;`
`16`	`16`
	`17`	`+static void init_lists() __attribute__((unused));`
`17`	`18`	`static void init_lists()`
`18`	`19`	`{`
`19`		`- (void) init_lists;`
`20`	`20`	`if (sCount != 0) {`
`21`	`21`	`return;`
`22`	`22`	`}`