Changed inline items to always be static

I'm not sure if this is a valid thing to do, but it solved a problem with the occam libraries where multiple occam files were including an inline FUNCTION from an include file, and this was causing problems at link time.

backends/GenerateC.hs

@@ -1555,7 +1555,9 @@ genProcSpec lvl n (A.Proc _ (sm, rm) fs (Just p)) forwardDecl
                                     || rm == A.Recursive
                                    then (genParHeader, genParParams)
                                    else (genNormalHeader, return ())
-          genStatic lvl n
+          if sm == A.InlineSpec
+            then tell ["static "] -- definitely static
+            else genStatic lvl n
           header
           if forwardDecl
             then tell [";\n"]