Fix build bogons due to missing separator

Signed-off-by: Austin Seipp <austin@well-typed.com>
(cherry picked from commit 9004f0d2)

ghc.mk

@@ -1108,7 +1108,7 @@ SRC_DIST_GHC_DIRS = mk rules docs distrib bindisttest libffi includes \
     utils docs rts compiler ghc driver libraries libffi-tarballs
 SRC_DIST_GHC_FILES += \
     configure.ac config.guess config.sub configure \
-    aclocal.m4 README.md ANNOUNCE HACKING.md INSTALL.md LICENSE Makefile
+    aclocal.m4 README.md ANNOUNCE HACKING.md INSTALL.md LICENSE Makefile \
     install-sh settings.in VERSION GIT_COMMIT_ID \
     boot packages ghc.mk MAKEHELP.md