fix: fix double free

[e-kwsm]

libmsym/src/subspace.c

Lines 1816 to 1824 in 0e0b831

	free(mpih);
	free(mperm);
	free(morth);
	free(mbasis);
	free(mdec);
	free(rsg);
	free(sgc);
	free(sgd);
	free(mpih);