Fix objcopy --merge-notes dependency on qsort implementation behavior.

binutils/
	* objcopy.c (compare_gnu_build_notes): Fix comparison results
	for overlapping ranges so that (A == B) == (B == A) holds.

(cherry picked from commit 82ef9cad78b74ee9176e059e8c8dec1bdb4a1efe)
2 files changed