Change default AVX instructions to SSE2 as mentioned in #1019

vc14/otclient.vcxproj

@@ -91,7 +91,7 @@
       <PreprocessorDefinitions>$(PREPROCESSOR_DEFS);_SCL_SECURE_NO_WARNINGS;ZLIB_WINAPI;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
-      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -112,7 +112,7 @@
     <ClCompile>
       <PreprocessorDefinitions>$(PREPROCESSOR_DEFS);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>