RISC-V: Rename the rvv test case.

As title.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/base/pr112432-42.c: Moved to...
	* gcc.target/riscv/rvv/base/pr112431-42.c: ...here.

Signed-off-by: Pan Li <pan2.li@intel.com>

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/pr112432-42.c b/gcc/testsuite/gcc.target/riscv/rvv/base/pr112431-42.c
similarity index 100%
rename from gcc/testsuite/gcc.target/riscv/rvv/base/pr112432-42.c
rename to gcc/testsuite/gcc.target/riscv/rvv/base/pr112431-42.c