Set initial capacity on metadata
Set initial capacity on metadata

This avoids resizing while adding the metadata.

Microsoft/msbuild,jeffkl/msbuild,rainersigwald/msbuild,mono/msbuild,chipitsine/msbuild,sean-gilliam/msbuild,chipitsine/msbuild,AndyGerlicher/msbuild,cdmihai/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,cdmihai/msbuild,Microsoft/msbuild,mono/msbuild,mono/msbuild,chipitsine/msbuild,rainersigwald/msbuild,jeffkl/msbuild,jeffkl/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,cdmihai/msbuild,chipitsine/msbuild,AndyGerlicher/msbuild,jeffkl/msbuild,cdmihai/msbuild,Microsoft/msbuild,Microsoft/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild,mono/msbuild,sean-gilliam/msbuild