[PATCH] [ARM] neon-testgen.ml typo

[Jim Wilson <jim.wilson@linaro.org>]

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I noticed a comment typo in this file while using grep to look for
other stuff.  The typo is easy to fix.

I tried running neon-testgen.ml to verify, but it is apparently no
longer valid ocaml, as it doesn't work with the ocamlc 4.01.0 I have
on Ubuntu 14.04.  I get a syntax error.  Someone who knows ocaml will
have to fix this.  Meanwhile, the patch to fix the typo should still
be OK, as this is a separate problem.

Jim

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2015-10-29  Jim Wilson  <jim.wilson@linaro.org>

	* config/arm/neon-testgen.ml: Fix comment typo.

Index: config/arm/neon-testgen.ml
===================================================================
--- config/arm/neon-testgen.ml	(revision 229504)
+++ config/arm/neon-testgen.ml	(working copy)
@@ -76,7 +76,7 @@ let emit_variables chan c_types features spaces =
     match c_types with
       (_, return_ty) :: tys ->
         if return_ty <> "void" then begin
-          (* The intrinsic returns a value.  We need to do explict register
+          (* The intrinsic returns a value.  We need to do explicit register
              allocation for vget_low tests or they fail because of copy
              elimination.  *)
           ((if List.mem Fixed_vector_reg features then