Minor cleanups.

modules/juce_core/containers/juce_NamedValueSet.cpp

@@ -149,8 +149,10 @@ const var& NamedValueSet::operator[] (const Identifier& name) const
 
 var NamedValueSet::getWithDefault (const Identifier& name, const var& defaultReturnValue) const
 {
-    const var* const v = getVarPointer (name);
-    return v != nullptr ? *v : defaultReturnValue;
+    if (const var* const v = getVarPointer (name))
+        return *v;
+
+    return defaultReturnValue;
 }
 
 var* NamedValueSet::getVarPointer (const Identifier& name) const noexcept

modules/juce_core/native/juce_posix_SharedCode.h

@@ -517,6 +517,10 @@ void FileOutputStream::flushInternal()
             status = getResultForErrno();
 
        #if JUCE_ANDROID
+        // This stuff tells the OS to asynchronously update the metadata
+        // that the OS has cached aboud the file - this metadata is used
+        // when the device is acting as a USB drive, and unless it's explicitly
+        // refreshed, it'll get out of step with the real file.
         const LocalRef<jstring> t (javaString (file.getFullPathName()));
         android.activity.callVoidMethod (JuceAppActivity.scanFile, t.get());
        #endif

modules/juce_data_structures/values/juce_ValueTree.cpp

@@ -987,6 +987,7 @@ ValueTree ValueTree::readFromStream (InputStream& input)
     }
 
     const int numChildren = input.readCompressedInt();
+    v.object->children.ensureStorageAllocated (numChildren);
 
     for (int i = 0; i < numChildren; ++i)
     {