[commit][arm] Fix pr50809: build failure with --enable-build-with-cxx

[Andrew Stubbs]

I've just committed this patch to fix PR50809, in which driver-arm.c 
failed to build with a C++ compiler and -Werror.

The patch is pre-approved by Ramana, and anyway probably qualifies as 
obvious.

Andrew
-------------- next part --------------
A non-text attachment was scrubbed...
Name: pr50809.patch
Type: text/x-patch
Size: 400 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20111021/07f7ce5c/attachment.bin>