testsuite: fix PR111613 test

	PR ipa/111613
	* gcc.c-torture/pr111613.c: Rename to..
	* gcc.c-torture/execute/pr111613.c: ...this.

diff --git a/gcc/testsuite/gcc.c-torture/pr111613.c b/gcc/testsuite/gcc.c-torture/execute/pr111613.c
similarity index 100%
rename from gcc/testsuite/gcc.c-torture/pr111613.c
rename to gcc/testsuite/gcc.c-torture/execute/pr111613.c