Bump to GHC 8.6.4 in an effort to fix linker bugs.

.licenses/semantic/cabal/http-types.txt

@@ -1,7 +1,7 @@
 ---
 type: cabal
 name: http-types
-version: 0.12.2
+version: 0.12.3
 summary: Generic HTTP types for Haskell (for both client and server code).
 homepage: https://github.com/aristidb/http-types
 license: bsd-3-clause

.licenses/semantic/cabal/process.txt

@@ -1,9 +1,9 @@
 ---
 type: cabal
 name: process
-version: 1.6.3.0
+version: 1.6.5.0
 summary: Process libraries
-homepage: 
+
 license: bsd-3-clause
 ---
 This library (libraries/process) is derived from code from two

.licenses/semantic/cabal/recursion-schemes.txt

@@ -1,7 +1,7 @@
 ---
 type: cabal
 name: recursion-schemes
-version: 5.1.1
+version: 5.1.2
 summary: Generalized bananas, lenses and barbed wire
 homepage: https://github.com/ekmett/recursion-schemes/
 license: bsd-2-clause

.licenses/semantic/cabal/th-abstraction.txt

@@ -1,7 +1,7 @@
 ---
 type: cabal
 name: th-abstraction
-version: 0.2.10.0
+version: 0.2.11.0
 summary: Nicer interface for reified information about data types
 homepage: https://github.com/glguy/th-abstraction
 license: isc

.licenses/semantic/cabal/transformers.txt

@@ -1,9 +1,9 @@
 ---
 type: cabal
 name: transformers
-version: 0.5.5.0
+version: 0.5.6.2
 summary: Concrete functor and monad transformers
-homepage: 
+
 license: bsd-3-clause
 ---
 The Glasgow Haskell Compiler License