Fix for API changes

FileSystemPathExtension -> FileSystemPathExtensions
VirtualFileSystemPathObsoleteExtension -> VirtualFileSystemPathExtensions

Author: krasnotsvetov

ReSharper.FSharp/src/FSharp.Common/src/Util/FSharpGlobalUtil.fs

@@ -37,11 +37,11 @@ module FSharpGlobalAbbreviations =
 module FSharpFileSystemPathExtensions =
     type JetBrains.Util.FileSystemPath with
         [<Extension>]
-        member this.ToVirtualFileSystemPath() = JetBrains.Util.FileSystemPathExtension.ToVirtualFileSystemPath(this)
+        member this.ToVirtualFileSystemPath() = JetBrains.Util.FileSystemPathExtensions.ToVirtualFileSystemPath(this)
 
     type JetBrains.Util.VirtualFileSystemPath with
         [<Extension>]
-        member this.ToNativeFileSystemPath() = JetBrains.Util.VirtualFileSystemPathObsoleteExtension.ToNativeFileSystemPath(this)
+        member this.ToNativeFileSystemPath() = JetBrains.Util.VirtualFileSystemPathExtensions.ToNativeFileSystemPath(this)
 
 
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