SystemWeb: Fix constants file for symbols.
SystemWeb: Fix constants file for symbols.

HongJunRen/katanaproject,julianpaulozzi/katanaproject,evicertia/Katana,evicertia/Katana,julianpaulozzi/katanaproject,julianpaulozzi/katanaproject,julianpaulozzi/katanaproject,tomi85/Microsoft.Owin,HongJunRen/katanaproject,eocampo/KatanaProject301,tomi85/Microsoft.Owin,eocampo/KatanaProject301,abrodersen/katana,julianpaulozzi/katanaproject,abrodersen/katana,eocampo/KatanaProject301,monkeysquare/katana,abrodersen/katana,abrodersen/katana,PxAndy/Katana,HongJunRen/katanaproject,HongJunRen/katanaproject,abrodersen/katana,evicertia/Katana,tomi85/Microsoft.Owin,abrodersen/katana,evicertia/Katana,PxAndy/Katana,evicertia/Katana,monkeysquare/katana,eocampo/KatanaProject301,eocampo/KatanaProject301,PxAndy/Katana,PxAndy/Katana,HongJunRen/katanaproject,HongJunRen/katanaproject,julianpaulozzi/katanaproject,tomi85/Microsoft.Owin,eocampo/KatanaProject301,evicertia/Katana,monkeysquare/katana