[AArch64/AArch64-4.7] Fix warning - aarch64_mangle_type has no prototype.

[James Greenhalgh]

Hi,

aarch64_mangle_type has no prototype, but it doesn't need one as
it should be declared static.

This patch fixes the warning:

config/aarch64/aarch64.c:5974:1: warning: no previous prototype for ‘aarch64_mangle_type’ [-Wmissing-prototypes]

Which is hidden when building with g++, but looks like:

config/aarch64/aarch64:5990:1: warning: no previous declaration for ‘const char* aarch64_mangle_type’ [-Wmissing-declarations]

On Trunk.

Regression tested on aarch64-none-elf with no regressions.

OK for trunk and aarch64-4.7-branch?

Thanks,
James Greenhalgh

---
gcc/

2013-02-28  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/aarch64/aarch64.c (aarch64_mangle_type): Make static.
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