set LanguageStandard=stdcpp17 for ETools and xrSound. xrSE_Factory still stdcpp14

Author: q4a

src/utils/ETools/ETools.vcxproj

@@ -95,7 +95,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-	  <LanguageStandard>stdcpp14</LanguageStandard>
+      <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

src/utils/xrSE_Factory/xrSE_Factory.vcxproj

@@ -79,7 +79,7 @@
     <ClCompile>
       <AdditionalIncludeDirectories>$(xrExternals)pugixml\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>XRSE_FACTORY_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-	  <LanguageStandard>stdcpp14</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">

src/xrSound/xrSound.vcxproj

@@ -96,7 +96,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-	  <LanguageStandard>stdcpp14</LanguageStandard>
+	  <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
@@ -139,7 +139,6 @@
     <ClCompile>
       <AdditionalIncludeDirectories>$(xrExternals)libvorbis\include;$(xrExternals)libogg\include;$(xrExternals)OpenAL\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_USRDLL;XRSOUND_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <Link>
       <AdditionalDependencies>eax.lib;dsound.lib;%(AdditionalDependencies)</AdditionalDependencies>