Fix folding of ConvertI64ToI32 imm64 (#1383)

* Fix folding of ConvertI64ToI32 imm64

* Increment PTC internal version

* Clean up

ARMeilleure/CodeGen/Optimizations/ConstantFolding.cs

@@ -81,7 +81,7 @@ namespace ARMeilleure.CodeGen.Optimizations
                 case Instruction.ConvertI64ToI32:
                     if (type == OperandType.I32)
                     {
-                        EvaluateUnaryI64(operation, (x) => (int)x);
+                        EvaluateUnaryI32(operation, (x) => x);
                     }
                     break;
 

ARMeilleure/Translation/PTC/Ptc.cs

@@ -20,7 +20,7 @@ namespace ARMeilleure.Translation.PTC
     {
         private const string HeaderMagic = "PTChd";
 
-        private const int InternalVersion = 6; //! To be incremented manually for each change to the ARMeilleure project.
+        private const int InternalVersion = 7; //! To be incremented manually for each change to the ARMeilleure project.
 
         private const string BaseDir = "Ryujinx";