Fix typos throughout the license files that somehow I and my reviewers
all missed!

Thanks to Alex Bradbury for pointing this out, and the fact that I never
added the intended `legacy` anchor to the developer policy. Add that
anchor too. With hope, this will cause the links to all resolve
successfully.

llvm-svn: 351731
GitOrigin-RevId: 4a1b95bda0c444798a5240fe924dd127b776d12d
diff --git a/LICENSE.TXT b/LICENSE.TXT
index 3c76371..2d94553 100644
--- a/LICENSE.TXT
+++ b/LICENSE.TXT
@@ -234,7 +234,7 @@
    file.
 
 ==============================================================================
-Legacy LLVM License (ttps://llvm.org/docs/DeveloperPolicy.html#legacy):
+Legacy LLVM License (https://llvm.org/docs/DeveloperPolicy.html#legacy):
 ==============================================================================
 The llgo distribution, excluding the contents of the 'include' and any third
 party software is licensed under the University of Illinois "BSD-Like" license.