Merge/Dependencies.hs: add 'Xpm' extralib for real

commit d5c7333
did it incorrectly by adding lib to tools.

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

Merge/Dependencies.hs

@@ -341,6 +341,7 @@ staticTranslateExtraLib lib = lookup lib m
       , ("dl", any_c_p "virtual" "libc")
       , ("glfw", any_c_p "media-libs" "glfw")
       , ("nettle", any_c_p "dev-libs" "nettle")
+      , ("Xpm",    any_c_p "x11-libs" "libXpm")
       ]
 
 ---------------------------------------------------------------
@@ -375,7 +376,6 @@ buildToolsTable =
   , ("llvm-config",         any_c_p "sys-devel" "llvm")
   , ("cpphs",               any_c_p "dev-haskell" "cpphs")
   , ("ghc",                 any_c_p "dev-lang" "ghc")
-  , ("Xpm",                 any_c_p "x11-libs" "libXpm")
   ]
 
 -- tools that are provided by ghc or some other existing program