Fix MSVC warnings

Author: anjaldoshi

Source/AutoUpdater.cpp

@@ -468,7 +468,7 @@ static void runInstaller (const File& targetFile)
         {
             auto returnCode = ShellExecute (NULL, (LPCSTR) "runas", targetFile.getFullPathName().toRawUTF8(), NULL, NULL, SW_SHOW);
 
-            if ((int) returnCode > 31)
+            if ((intptr_t) returnCode > 31)
                 JUCEApplication::getInstance()->systemRequestedQuit();
             else
                 LOGE ("Failed to run the installer: ", GetLastError());

Source/Processors/PluginManager/PluginManager.cpp

@@ -592,7 +592,7 @@ bool PluginManager::removePlugin (String libName)
     {
         ERROR_MSG ("Failed to load function 'getPluginInfo'");
         closeHandle (lib.handle);
-        return -1;
+        return false;
     }
 
     Plugin::PluginInfo pInfo;

Source/Processors/RecordNode/BinaryFormat/FileMemoryBlock.h

@@ -35,7 +35,7 @@ class FileMemoryBlock
 
     ~FileMemoryBlock()
     {
-        if (~m_flushed)
+        if (!m_flushed)
         {
             m_file->write (m_data, m_finalFlushSamples * sizeof (StorageType));
         }

Source/Processors/Serial/ofConstants.h

@@ -40,7 +40,9 @@
 #define WIN32_LEAN_AND_MEAN
 
 #if (_MSC_VER)
+#ifndef NOMINMAX
 #define NOMINMAX
+#endif
 //http://stackoverflow.com/questions/1904635/warning-c4003-and-errors-c2589-and-c2059-on-x-stdnumeric-limitsintmax
 #endif
 

Source/Processors/Settings/EventChannel.cpp

@@ -116,9 +116,9 @@ void EventChannel::setLineState (int line, bool state)
     if (line < 64)
     {
         if (state)
-            m_TTLWord |= (1UL << line);
+            m_TTLWord |= (1ULL << line);
         else
-            m_TTLWord &= ~(1UL << line);
+            m_TTLWord &= ~(1ULL << line);
     }
 }