fix clang-cl PGO build

Author: chris-eibl

PCbuild/zlib-ng.vcxproj

@@ -90,6 +90,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalOptions>%(AdditionalOptions) /utf-8 /w34242</AdditionalOptions>
+      <AdditionalOptions Condition="$(SupportPGO) and $(Configuration) == 'PGUpdate' and $(PlatformToolset) == 'ClangCL'">%(AdditionalOptions) -fno-profile-instr-use</AdditionalOptions>
       <DisableSpecificWarnings>4206;4054;4324</DisableSpecificWarnings>
       <LanguageStandard_C>stdc11</LanguageStandard_C>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>