[Bug libstdc++/126452] Typo in check for --gc-sections support in acinclude.m4

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126452

--- Comment #14 from Andreas Schwab <sch...@linux-m68k.org> ---
Not if you leave out the whole word. :-)