Update System.cpp

Author: sukibaby

src/System/System.cpp

@@ -36,6 +36,7 @@
 #include <bitset>
 #include <list>
 #include <vector>
+#include <exception>
 
 #undef DELETE
 
@@ -672,9 +673,9 @@ void handleFileDrop(HDROP hDrop, InputEvents& events, bool isInsideMessageLoop)
 
 		try
 		{
-			// Handle long paths
 			if (wstr.length() > MAX_PATH)
 			{
+				// Prefix it with \\?\ to allow longer paths.
 				WideString prefix(L"\\\\?\\");
 				prefix.append(wstr);
 				wstr = prefix;