RFR: JDK-8055405: JDK 9 build started failing on ja_JP.UTF-8 locale due to mapping error (encoding=ascii).

[Tim Bell]

Hi Erik:

> Please review this minor patch which makes the build work on a ja_JP 
> locale.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8055405
>
> diff -r c72d6edec4cf make/common/IdlCompilation.gmk
> --- a/make/common/IdlCompilation.gmk
> +++ b/make/common/IdlCompilation.gmk
> @@ -60,7 +60,7 @@
>      $(RM) -rf $3/$$($4_TMPDIR)
>      $(MKDIR) -p $(dir $5)
>      $(ECHO) $(LOG_INFO) Compiling IDL $(patsubst $2/%,%,$4)
> -    $8 -td $3/$$($4_TMPDIR) \
> +    LC_ALL=C $8 -td $3/$$($4_TMPDIR) \
>          -i $2/org/omg/CORBA \
>          -i $2/org/omg/PortableInterceptor \
>          -i $2/org/omg/PortableServer

Looks good to me.

Tim