Added a safety check and fixed a couple of warnings.

modules/juce_audio_basics/midi/juce_MidiMessage.cpp

@@ -679,8 +679,8 @@ MidiMessage MidiMessage::textMetaEvent (int type, const StringRef& text)
 
     const size_t headerLen = sizeof (header) - n;
 
-    uint8* const dest = result.allocateSpace (headerLen + textSize);
-    result.size = headerLen + textSize;
+    uint8* const dest = result.allocateSpace ((int) (headerLen + textSize));
+    result.size = (int) (headerLen + textSize);
 
     memcpy (dest, header + n, headerLen);
     memcpy (dest + headerLen, text.text.getAddress(), textSize);

modules/juce_audio_processors/juce_audio_processors.cpp

@@ -119,15 +119,18 @@ struct AutoResizingNSViewComponentWithParent  : public AutoResizingNSViewCompone
     {
         if (NSView* parent = (NSView*) getView())
         {
-            if (NSView* child = [[parent subviews] objectAtIndex: 0])
+            if ([[parent subviews] count] > 0)
             {
-                NSRect f = [parent frame];
-                NSSize newSize = [child frame].size;
-
-                if (f.size.width != newSize.width || f.size.height != newSize.height)
+                if (NSView* child = [[parent subviews] objectAtIndex: 0])
                 {
-                    f.size = newSize;
-                    [parent setFrame: f];
+                    NSRect f = [parent frame];
+                    NSSize newSize = [child frame].size;
+
+                    if (f.size.width != newSize.width || f.size.height != newSize.height)
+                    {
+                        f.size = newSize;
+                        [parent setFrame: f];
+                    }
                 }
             }
         }