juce_midi_ci: Improve MinGW compatibility

examples/Audio/CapabilityInquiryDemo.h

@@ -1634,7 +1634,7 @@ private:
         const auto channelIndex = address.getChannel() != ci::ChannelInGroup::wholeGroup
                                 ? (size_t) address.getChannel()
                                 : 16;
-        const auto buttonIndex = address.getGroup() * numChannelColumns + channelIndex;
+        const auto buttonIndex = (size_t) address.getGroup() * numChannelColumns + channelIndex;
         return buttons[buttonIndex];
     }
 

modules/juce_midi_ci/ci/juce_CIEncodings.cpp

@@ -250,7 +250,7 @@ std::vector<std::byte> Encodings::decode (Span<const std::byte> bytes, Encoding
                 return {};
             }
 
-            result.resize (previousSize + (size_t) read);
+            result.resize ((size_t) read + previousSize);
 
             if (read == 0)
                 return result;

modules/juce_midi_ci/ci/juce_CIMessages.h

@@ -316,7 +316,7 @@ namespace Message
     {
         auto tie() const
         {
-            return std::tuple();
+            return std::tuple<>();
         }
 
         bool operator== (const ProfileInquiry& x) const { return tie() == x.tie(); }
@@ -655,7 +655,7 @@ namespace Message
     {
         auto tie() const
         {
-            return std::tuple();
+            return std::tuple<>();
         }
 
         bool operator== (const ProcessInquiry& x) const { return tie() == x.tie(); }
@@ -710,7 +710,7 @@ namespace Message
     {
         auto tie() const
         {
-            return std::tuple();
+            return std::tuple<>();
         }
 
         bool operator== (const ProcessEndMidiMessageReport& x) const { return tie() == x.tie(); }

modules/juce_midi_ci/detail/juce_CIPropertyDataMessageChunker.cpp

@@ -146,7 +146,8 @@ void PropertyDataMessageChunker::populateStorage() const
     std::rotate (storage->begin(), storage->begin() + getRoomForBody(), storage->end());
 
     // ...and bring the storage buffer down to size, if we didn't manage to fill it
-    storage->resize (storage->size() + numBytesRead - (size_t) getRoomForBody());
+    const auto room = (size_t) getRoomForBody();
+    storage->resize (storage->size() + numBytesRead - room);
 }
 
 } // namespace juce::midi_ci::detail