LoongArch: Modify the check type of the vector builtin function.

LoongArch: Modify the check type of the vector builtin function.

On LoongArch architecture, using the latest gcc14 in regression test,
it is found that the vector test cases in vector directory appear FAIL
entries with unmatched pointer types. In order to solve this kind of
problem, the type of the variable in the check result is modified with
the parameter type defined in the vector builtin function.

gcc/testsuite/ChangeLog:

	* gcc.target/loongarch/vector/simd_correctness_check.h:The variable
	types in the check results are modified in conjunction with the
	parameter types defined in the vector builtin function.