testsuite: Fix up pr116034.c test for big/pdp endian [PR116061]

Didn't notice the memmove is into an int variable, so the test
was still failing on big endian.

2024-07-24  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/116034
	PR testsuite/116061
	* gcc.dg/pr116034.c (g): Change type from int to unsigned short.
	(foo): Guard memmove call on __SIZEOF_SHORT__ == 2.

(cherry picked from commit 69e69847e21a8d951ab5f09fd3421449564dba31)
1 file changed