Adding package build for System.Linq.Async and System.Linq.Async.Queryable.

Ix.NET/Source/build-new.ps1

@@ -68,7 +68,7 @@ if ($LastExitCode -ne 0) {
         }  
 }
 
-dotnet pack "$scriptPath\System.Interactive.Async\System.Interactive.Async.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
+dotnet pack "$scriptPath\System.Interactive.Providers\System.Interactive.Providers.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 if ($LastExitCode -ne 0) { 
         Write-Host "Error with build" -Foreground Red
         if($isAppVeyor) {
@@ -77,7 +77,7 @@ if ($LastExitCode -ne 0) {
         }  
 }
 
-dotnet pack "$scriptPath\System.Interactive.Async.Providers\System.Interactive.Async.Providers.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
+dotnet pack "$scriptPath\System.Linq.Async\System.Linq.Async.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 if ($LastExitCode -ne 0) { 
         Write-Host "Error with build" -Foreground Red
         if($isAppVeyor) {
@@ -86,7 +86,25 @@ if ($LastExitCode -ne 0) {
         }  
 }
 
-dotnet pack "$scriptPath\System.Interactive.Providers\System.Interactive.Providers.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
+dotnet pack "$scriptPath\System.Linq.Async.Queryable\System.Linq.Async.Queryable.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
+if ($LastExitCode -ne 0) { 
+        Write-Host "Error with build" -Foreground Red
+        if($isAppVeyor) {
+          $host.SetShouldExit($LastExitCode)
+          exit $LastExitCode
+        }  
+}
+
+dotnet pack "$scriptPath\System.Interactive.Async\System.Interactive.Async.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
+if ($LastExitCode -ne 0) { 
+        Write-Host "Error with build" -Foreground Red
+        if($isAppVeyor) {
+          $host.SetShouldExit($LastExitCode)
+          exit $LastExitCode
+        }  
+}
+
+dotnet pack "$scriptPath\System.Interactive.Async.Providers\System.Interactive.Async.Providers.csproj" -c $configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 if ($LastExitCode -ne 0) { 
         Write-Host "Error with build" -Foreground Red
         if($isAppVeyor) {