RFR: JDK-8191744: Remove typo in makefile

[Tim Bell]

Erik:

> I seem to have fat fingered some extra letters into a makefile in a
> recent change. Those need to be removed. Thanks to Magnus who saw it,
> albeit too late to stop me.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8191744
>
> Patch:
>
> diff -r 53440b6353b6 test/make/TestCopyFiles.gmk
> --- a/test/make/TestCopyFiles.gmk
> +++ b/test/make/TestCopyFiles.gmk
> @@ -52,7 +52,7 @@
>       $(TOUCH) $(SRC_DIR)/foo/foofile
>       $(TOUCH) "$(SRC_DIR)/foo/foo file"
>           # Spaces in directories only works with gnu make 4.0 or later
> -        ifeq (4.0dfd, $(firstword $(sort 4.0 $(MAKE_VERSION))))
> +        ifeq (4.0, $(firstword $(sort 4.0 $(MAKE_VERSION))))
>         $(MKDIR) -p "$(SRC_DIR)/foo bar"
>         $(TOUCH) "$(SRC_DIR)/foo bar/foobarfile"
>         $(TOUCH) "$(SRC_DIR)/foo bar/foo bar file"

Looks good.

Tim