iOS: Fixed a header inclusion error

modules/juce_audio_devices/juce_audio_devices.h

@@ -54,8 +54,8 @@
 #include <juce_events/juce_events.h>
 #include <juce_audio_basics/juce_audio_basics.h>
 
-#if JUCE_MODULE_AVAILABLE_juce_gui_extra
-#include <juce_gui_extra/juce_gui_extra.h>
+#if JUCE_MODULE_AVAILABLE_juce_graphics
+#include <juce_graphics/juce_graphics.h>
 #endif
 
 //==============================================================================